493537460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{967}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 1130887296

約数和(自身を除く): 637349836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 169, 260, 302, 338, 604, 676, 755, 845, 967, 1510, 1690, 1934, 1963, 3020, 3380, 3868, 3926, 4835, 7852, 9670, 9815, 12571, 19340, 19630, 25142, 25519, 39260, 50284, 51038, 62855, 102076, 125710, 127595, 146017, 163423, 251420, 255190, 292034, 326846, 510380, 584068, 653692, 730085, 817115, 1460170, 1634230, 1898221, 2920340, 3268460, 3796442, 7592884, 9491105, 18982210, 24676873, 37964420, 49353746, 98707492, 123384365, 246768730, 493537460]

約数ペア:

[(1, 493537460), (2, 246768730), (4, 123384365), (5, 98707492), (10, 49353746), (13, 37964420), (20, 24676873), (26, 18982210), (52, 9491105), (65, 7592884), (130, 3796442), (151, 3268460), (169, 2920340), (260, 1898221), (302, 1634230), (338, 1460170), (604, 817115), (676, 730085), (755, 653692), (845, 584068), (967, 510380), (1510, 326846), (1690, 292034), (1934, 255190), (1963, 251420), (3020, 163423), (3380, 146017), (3868, 127595), (3926, 125710), (4835, 102076), (7852, 62855), (9670, 51038), (9815, 50284), (12571, 39260), (19340, 25519), (19630, 25142)]