1285120400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3407}}^1$

素因数の和:3489

約数の個数: 120

約数和(自身を含む): 3301288704

約数和(自身を除く): 2016168304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 41, 46, 50, 80, 82, 92, 100, 115, 164, 184, 200, 205, 230, 328, 368, 400, 410, 460, 575, 656, 820, 920, 943, 1025, 1150, 1640, 1840, 1886, 2050, 2300, 3280, 3407, 3772, 4100, 4600, 4715, 6814, 7544, 8200, 9200, 9430, 13628, 15088, 16400, 17035, 18860, 23575, 27256, 34070, 37720, 47150, 54512, 68140, 75440, 78361, 85175, 94300, 136280, 139687, 156722, 170350, 188600, 272560, 279374, 313444, 340700, 377200, 391805, 558748, 626888, 681400, 698435, 783610, 1117496, 1253776, 1362800, 1396870, 1567220, 1959025, 2234992, 2793740, 3134440, 3212801, 3492175, 3918050, 5587480, 6268880, 6425602, 6984350, 7836100, 11174960, 12851204, 13968700, 15672200, 16064005, 25702408, 27937400, 31344400, 32128010, 51404816, 55874800, 64256020, 80320025, 128512040, 160640050, 257024080, 321280100, 642560200, 1285120400]

約数ペア:

[(1, 1285120400), (2, 642560200), (4, 321280100), (5, 257024080), (8, 160640050), (10, 128512040), (16, 80320025), (20, 64256020), (23, 55874800), (25, 51404816), (40, 32128010), (41, 31344400), (46, 27937400), (50, 25702408), (80, 16064005), (82, 15672200), (92, 13968700), (100, 12851204), (115, 11174960), (164, 7836100), (184, 6984350), (200, 6425602), (205, 6268880), (230, 5587480), (328, 3918050), (368, 3492175), (400, 3212801), (410, 3134440), (460, 2793740), (575, 2234992), (656, 1959025), (820, 1567220), (920, 1396870), (943, 1362800), (1025, 1253776), (1150, 1117496), (1640, 783610), (1840, 698435), (1886, 681400), (2050, 626888), (2300, 558748), (3280, 391805), (3407, 377200), (3772, 340700), (4100, 313444), (4600, 279374), (4715, 272560), (6814, 188600), (7544, 170350), (8200, 156722), (9200, 139687), (9430, 136280), (13628, 94300), (15088, 85175), (16400, 78361), (17035, 75440), (18860, 68140), (23575, 54512), (27256, 47150), (34070, 37720)]