490107280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1521

約数の個数: 160

約数和(自身を含む): 1368662400

約数和(自身を除く): 878555120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 380, 442, 494, 520, 646, 680, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1459, 1520, 1615, 1768, 1976, 2210, 2470, 2584, 2918, 3230, 3536, 3952, 4199, 4420, 4940, 5168, 5836, 6460, 7295, 8398, 8840, 9880, 11672, 12920, 14590, 16796, 17680, 18967, 19760, 20995, 23344, 24803, 25840, 27721, 29180, 33592, 37934, 41990, 49606, 55442, 58360, 67184, 75868, 83980, 94835, 99212, 110884, 116720, 124015, 138605, 151736, 167960, 189670, 198424, 221768, 248030, 277210, 303472, 322439, 335920, 360373, 379340, 396848, 443536, 471257, 496060, 554420, 644878, 720746, 758680, 942514, 992120, 1108840, 1289756, 1441492, 1517360, 1612195, 1801865, 1885028, 1984240, 2217680, 2356285, 2579512, 2882984, 3224390, 3603730, 3770056, 4712570, 5159024, 5765968, 6126341, 6448780, 7207460, 7540112, 9425140, 12252682, 12897560, 14414920, 18850280, 24505364, 25795120, 28829840, 30631705, 37700560, 49010728, 61263410, 98021456, 122526820, 245053640, 490107280]

約数ペア:

[(1, 490107280), (2, 245053640), (4, 122526820), (5, 98021456), (8, 61263410), (10, 49010728), (13, 37700560), (16, 30631705), (17, 28829840), (19, 25795120), (20, 24505364), (26, 18850280), (34, 14414920), (38, 12897560), (40, 12252682), (52, 9425140), (65, 7540112), (68, 7207460), (76, 6448780), (80, 6126341), (85, 5765968), (95, 5159024), (104, 4712570), (130, 3770056), (136, 3603730), (152, 3224390), (170, 2882984), (190, 2579512), (208, 2356285), (221, 2217680), (247, 1984240), (260, 1885028), (272, 1801865), (304, 1612195), (323, 1517360), (340, 1441492), (380, 1289756), (442, 1108840), (494, 992120), (520, 942514), (646, 758680), (680, 720746), (760, 644878), (884, 554420), (988, 496060), (1040, 471257), (1105, 443536), (1235, 396848), (1292, 379340), (1360, 360373), (1459, 335920), (1520, 322439), (1615, 303472), (1768, 277210), (1976, 248030), (2210, 221768), (2470, 198424), (2584, 189670), (2918, 167960), (3230, 151736), (3536, 138605), (3952, 124015), (4199, 116720), (4420, 110884), (4940, 99212), (5168, 94835), (5836, 83980), (6460, 75868), (7295, 67184), (8398, 58360), (8840, 55442), (9880, 49606), (11672, 41990), (12920, 37934), (14590, 33592), (16796, 29180), (17680, 27721), (18967, 25840), (19760, 24803), (20995, 23344)]