254450480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 651386880

約数和(自身を除く): 396936400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 47, 59, 62, 74, 80, 94, 118, 124, 148, 155, 185, 188, 235, 236, 248, 295, 296, 310, 370, 376, 470, 472, 496, 590, 592, 620, 740, 752, 940, 944, 1147, 1180, 1240, 1457, 1480, 1739, 1829, 1880, 2183, 2294, 2360, 2480, 2773, 2914, 2960, 3478, 3658, 3760, 4366, 4588, 4720, 5546, 5735, 5828, 6956, 7285, 7316, 8695, 8732, 9145, 9176, 10915, 11092, 11470, 11656, 13865, 13912, 14570, 14632, 17390, 17464, 18290, 18352, 21830, 22184, 22940, 23312, 27730, 27824, 29140, 29264, 34780, 34928, 36580, 43660, 44368, 45880, 53909, 55460, 58280, 67673, 69560, 73160, 85963, 87320, 91760, 102601, 107818, 110920, 116560, 135346, 139120, 146320, 171926, 174640, 205202, 215636, 221840, 269545, 270692, 338365, 343852, 410404, 429815, 431272, 513005, 539090, 541384, 676730, 687704, 820808, 859630, 862544, 1026010, 1078180, 1082768, 1353460, 1375408, 1641616, 1719260, 2052020, 2156360, 2706920, 3180631, 3438520, 4104040, 4312720, 5413840, 6361262, 6877040, 8208080, 12722524, 15903155, 25445048, 31806310, 50890096, 63612620, 127225240, 254450480]

約数ペア:

[(1, 254450480), (2, 127225240), (4, 63612620), (5, 50890096), (8, 31806310), (10, 25445048), (16, 15903155), (20, 12722524), (31, 8208080), (37, 6877040), (40, 6361262), (47, 5413840), (59, 4312720), (62, 4104040), (74, 3438520), (80, 3180631), (94, 2706920), (118, 2156360), (124, 2052020), (148, 1719260), (155, 1641616), (185, 1375408), (188, 1353460), (235, 1082768), (236, 1078180), (248, 1026010), (295, 862544), (296, 859630), (310, 820808), (370, 687704), (376, 676730), (470, 541384), (472, 539090), (496, 513005), (590, 431272), (592, 429815), (620, 410404), (740, 343852), (752, 338365), (940, 270692), (944, 269545), (1147, 221840), (1180, 215636), (1240, 205202), (1457, 174640), (1480, 171926), (1739, 146320), (1829, 139120), (1880, 135346), (2183, 116560), (2294, 110920), (2360, 107818), (2480, 102601), (2773, 91760), (2914, 87320), (2960, 85963), (3478, 73160), (3658, 69560), (3760, 67673), (4366, 58280), (4588, 55460), (4720, 53909), (5546, 45880), (5735, 44368), (5828, 43660), (6956, 36580), (7285, 34928), (7316, 34780), (8695, 29264), (8732, 29140), (9145, 27824), (9176, 27730), (10915, 23312), (11092, 22940), (11470, 22184), (11656, 21830), (13865, 18352), (13912, 18290), (14570, 17464), (14632, 17390)]