9876100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 23623488

約数和(自身を除く): 13747388

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 107, 130, 142, 214, 260, 284, 325, 355, 428, 535, 650, 710, 923, 1070, 1300, 1391, 1420, 1775, 1846, 2140, 2675, 2782, 3550, 3692, 4615, 5350, 5564, 6955, 7100, 7597, 9230, 10700, 13910, 15194, 18460, 23075, 27820, 30388, 34775, 37985, 46150, 69550, 75970, 92300, 98761, 139100, 151940, 189925, 197522, 379850, 395044, 493805, 759700, 987610, 1975220, 2469025, 4938050, 9876100]

約数ペア:

[(1, 9876100), (2, 4938050), (4, 2469025), (5, 1975220), (10, 987610), (13, 759700), (20, 493805), (25, 395044), (26, 379850), (50, 197522), (52, 189925), (65, 151940), (71, 139100), (100, 98761), (107, 92300), (130, 75970), (142, 69550), (214, 46150), (260, 37985), (284, 34775), (325, 30388), (355, 27820), (428, 23075), (535, 18460), (650, 15194), (710, 13910), (923, 10700), (1070, 9230), (1300, 7597), (1391, 7100), (1420, 6955), (1775, 5564), (1846, 5350), (2140, 4615), (2675, 3692), (2782, 3550)]