253343480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2309}}^1$

素因数の和:2544

約数の個数: 64

約数和(自身を含む): 617047200

約数和(自身を除く): 363703720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 520, 844, 1055, 1688, 2110, 2309, 2743, 4220, 4618, 5486, 8440, 9236, 10972, 11545, 13715, 18472, 21944, 23090, 27430, 30017, 46180, 54860, 60034, 92360, 109720, 120068, 150085, 240136, 300170, 487199, 600340, 974398, 1200680, 1948796, 2435995, 3897592, 4871990, 6333587, 9743980, 12667174, 19487960, 25334348, 31667935, 50668696, 63335870, 126671740, 253343480]

約数ペア:

[(1, 253343480), (2, 126671740), (4, 63335870), (5, 50668696), (8, 31667935), (10, 25334348), (13, 19487960), (20, 12667174), (26, 9743980), (40, 6333587), (52, 4871990), (65, 3897592), (104, 2435995), (130, 1948796), (211, 1200680), (260, 974398), (422, 600340), (520, 487199), (844, 300170), (1055, 240136), (1688, 150085), (2110, 120068), (2309, 109720), (2743, 92360), (4220, 60034), (4618, 54860), (5486, 46180), (8440, 30017), (9236, 27430), (10972, 23090), (11545, 21944), (13715, 18472)]