28721200

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 60

約数和(自身を含む): 70229880

約数和(自身を除く): 41508680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 944, 1180, 1217, 1475, 2360, 2434, 2950, 4720, 4868, 5900, 6085, 9736, 11800, 12170, 19472, 23600, 24340, 30425, 48680, 60850, 71803, 97360, 121700, 143606, 243400, 287212, 359015, 486800, 574424, 718030, 1148848, 1436060, 1795075, 2872120, 3590150, 5744240, 7180300, 14360600, 28721200]

約数ペア:

[(1, 28721200), (2, 14360600), (4, 7180300), (5, 5744240), (8, 3590150), (10, 2872120), (16, 1795075), (20, 1436060), (25, 1148848), (40, 718030), (50, 574424), (59, 486800), (80, 359015), (100, 287212), (118, 243400), (200, 143606), (236, 121700), (295, 97360), (400, 71803), (472, 60850), (590, 48680), (944, 30425), (1180, 24340), (1217, 23600), (1475, 19472), (2360, 12170), (2434, 11800), (2950, 9736), (4720, 6085), (4868, 5900)]