120400400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:633

約数の個数: 90

約数和(自身を含む): 302916810

約数和(自身を除く): 182516410

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 529, 569, 575, 920, 1058, 1138, 1150, 1840, 2116, 2276, 2300, 2645, 2845, 4232, 4552, 4600, 5290, 5690, 8464, 9104, 9200, 10580, 11380, 13087, 13225, 14225, 21160, 22760, 26174, 26450, 28450, 42320, 45520, 52348, 52900, 56900, 65435, 104696, 105800, 113800, 130870, 209392, 211600, 227600, 261740, 301001, 327175, 523480, 602002, 654350, 1046960, 1204004, 1308700, 1505005, 2408008, 2617400, 3010010, 4816016, 5234800, 6020020, 7525025, 12040040, 15050050, 24080080, 30100100, 60200200, 120400400]

約数ペア:

[(1, 120400400), (2, 60200200), (4, 30100100), (5, 24080080), (8, 15050050), (10, 12040040), (16, 7525025), (20, 6020020), (23, 5234800), (25, 4816016), (40, 3010010), (46, 2617400), (50, 2408008), (80, 1505005), (92, 1308700), (100, 1204004), (115, 1046960), (184, 654350), (200, 602002), (230, 523480), (368, 327175), (400, 301001), (460, 261740), (529, 227600), (569, 211600), (575, 209392), (920, 130870), (1058, 113800), (1138, 105800), (1150, 104696), (1840, 65435), (2116, 56900), (2276, 52900), (2300, 52348), (2645, 45520), (2845, 42320), (4232, 28450), (4552, 26450), (4600, 26174), (5290, 22760), (5690, 21160), (8464, 14225), (9104, 13225), (9200, 13087), (10580, 11380)]