2878568940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3690473}}^1$

素因数の和:3690498

約数の個数: 48

約数和(自身を含む): 8679994848

約数和(自身を除く): 5801425908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3690473, 7380946, 11071419, 14761892, 18452365, 22142838, 36904730, 44285676, 47976149, 55357095, 73809460, 95952298, 110714190, 143928447, 191904596, 221428380, 239880745, 287856894, 479761490, 575713788, 719642235, 959522980, 1439284470, 2878568940]

約数ペア:

[(1, 2878568940), (2, 1439284470), (3, 959522980), (4, 719642235), (5, 575713788), (6, 479761490), (10, 287856894), (12, 239880745), (13, 221428380), (15, 191904596), (20, 143928447), (26, 110714190), (30, 95952298), (39, 73809460), (52, 55357095), (60, 47976149), (65, 44285676), (78, 36904730), (130, 22142838), (156, 18452365), (195, 14761892), (260, 11071419), (390, 7380946), (780, 3690473)]