290066920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 860025600

約数和(自身を除く): 569958680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 40, 44, 52, 55, 65, 68, 76, 85, 88, 95, 104, 110, 130, 136, 143, 152, 157, 170, 187, 190, 209, 220, 221, 247, 260, 286, 314, 323, 340, 374, 380, 418, 440, 442, 494, 520, 572, 628, 646, 680, 715, 748, 760, 785, 836, 884, 935, 988, 1045, 1105, 1144, 1235, 1256, 1292, 1430, 1496, 1570, 1615, 1672, 1727, 1768, 1870, 1976, 2041, 2090, 2210, 2431, 2470, 2584, 2669, 2717, 2860, 2983, 3140, 3230, 3454, 3553, 3740, 4082, 4180, 4199, 4420, 4862, 4940, 5338, 5434, 5720, 5966, 6280, 6460, 6908, 7106, 7480, 8164, 8360, 8398, 8635, 8840, 9724, 9880, 10205, 10676, 10868, 11932, 12155, 12920, 13345, 13585, 13816, 14212, 14915, 16328, 16796, 17270, 17765, 19448, 20410, 20995, 21352, 21736, 22451, 23864, 24310, 26690, 27170, 28424, 29359, 29830, 32813, 33592, 34540, 34697, 35530, 38779, 40820, 41990, 44902, 46189, 48620, 50711, 53380, 54340, 58718, 59660, 65626, 69080, 69394, 71060, 77558, 81640, 83980, 89804, 92378, 97240, 101422, 106760, 108680, 112255, 117436, 119320, 131252, 138788, 142120, 146795, 155116, 164065, 167960, 173485, 179608, 184756, 193895, 202844, 224510, 230945, 234872, 253555, 262504, 277576, 293590, 310232, 328130, 346970, 369512, 381667, 387790, 405688, 426569, 449020, 461890, 507110, 557821, 587180, 656260, 659243, 693940, 763334, 775580, 853138, 898040, 923780, 1014220, 1115642, 1174360, 1312520, 1318486, 1387880, 1526668, 1551160, 1706276, 1847560, 1908335, 2028440, 2132845, 2231284, 2636972, 2789105, 3053336, 3296215, 3412552, 3816670, 4265690, 4462568, 5273944, 5578210, 6592430, 7251673, 7633340, 8531380, 11156420, 13184860, 14503346, 15266680, 17062760, 22312840, 26369720, 29006692, 36258365, 58013384, 72516730, 145033460, 290066920]

約数ペア:

[(1, 290066920), (2, 145033460), (4, 72516730), (5, 58013384), (8, 36258365), (10, 29006692), (11, 26369720), (13, 22312840), (17, 17062760), (19, 15266680), (20, 14503346), (22, 13184860), (26, 11156420), (34, 8531380), (38, 7633340), (40, 7251673), (44, 6592430), (52, 5578210), (55, 5273944), (65, 4462568), (68, 4265690), (76, 3816670), (85, 3412552), (88, 3296215), (95, 3053336), (104, 2789105), (110, 2636972), (130, 2231284), (136, 2132845), (143, 2028440), (152, 1908335), (157, 1847560), (170, 1706276), (187, 1551160), (190, 1526668), (209, 1387880), (220, 1318486), (221, 1312520), (247, 1174360), (260, 1115642), (286, 1014220), (314, 923780), (323, 898040), (340, 853138), (374, 775580), (380, 763334), (418, 693940), (440, 659243), (442, 656260), (494, 587180), (520, 557821), (572, 507110), (628, 461890), (646, 449020), (680, 426569), (715, 405688), (748, 387790), (760, 381667), (785, 369512), (836, 346970), (884, 328130), (935, 310232), (988, 293590), (1045, 277576), (1105, 262504), (1144, 253555), (1235, 234872), (1256, 230945), (1292, 224510), (1430, 202844), (1496, 193895), (1570, 184756), (1615, 179608), (1672, 173485), (1727, 167960), (1768, 164065), (1870, 155116), (1976, 146795), (2041, 142120), (2090, 138788), (2210, 131252), (2431, 119320), (2470, 117436), (2584, 112255), (2669, 108680), (2717, 106760), (2860, 101422), (2983, 97240), (3140, 92378), (3230, 89804), (3454, 83980), (3553, 81640), (3740, 77558), (4082, 71060), (4180, 69394), (4199, 69080), (4420, 65626), (4862, 59660), (4940, 58718), (5338, 54340), (5434, 53380), (5720, 50711), (5966, 48620), (6280, 46189), (6460, 44902), (6908, 41990), (7106, 40820), (7480, 38779), (8164, 35530), (8360, 34697), (8398, 34540), (8635, 33592), (8840, 32813), (9724, 29830), (9880, 29359), (10205, 28424), (10676, 27170), (10868, 26690), (11932, 24310), (12155, 23864), (12920, 22451), (13345, 21736), (13585, 21352), (13816, 20995), (14212, 20410), (14915, 19448), (16328, 17765), (16796, 17270)]