493459840

素因数分解:

$2^7\times 5^1\times {\mathrm{771031}}^1$

素因数の和:771050

約数の個数: 32

約数和(自身を含む): 1179678960

約数和(自身を除く): 686219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 771031, 1542062, 3084124, 3855155, 6168248, 7710310, 12336496, 15420620, 24672992, 30841240, 49345984, 61682480, 98691968, 123364960, 246729920, 493459840]

約数ペア:

[(1, 493459840), (2, 246729920), (4, 123364960), (5, 98691968), (8, 61682480), (10, 49345984), (16, 30841240), (20, 24672992), (32, 15420620), (40, 12336496), (64, 7710310), (80, 6168248), (128, 3855155), (160, 3084124), (320, 1542062), (640, 771031)]