863669940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2056357}}^1$

素因数の和:2056376

約数の個数: 48

約数和(自身を含む): 2763745152

約数和(自身を除く): 1900075212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2056357, 4112714, 6169071, 8225428, 10281785, 12338142, 14394499, 20563570, 24676284, 28788998, 30845355, 41127140, 43183497, 57577996, 61690710, 71972495, 86366994, 123381420, 143944990, 172733988, 215917485, 287889980, 431834970, 863669940]

約数ペア:

[(1, 863669940), (2, 431834970), (3, 287889980), (4, 215917485), (5, 172733988), (6, 143944990), (7, 123381420), (10, 86366994), (12, 71972495), (14, 61690710), (15, 57577996), (20, 43183497), (21, 41127140), (28, 30845355), (30, 28788998), (35, 24676284), (42, 20563570), (60, 14394499), (70, 12338142), (84, 10281785), (105, 8225428), (140, 6169071), (210, 4112714), (420, 2056357)]