1040378980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{1637}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 2239997760

約数和(自身を除く): 1199618780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 739, 860, 1478, 1637, 2956, 3274, 3695, 6548, 7390, 8185, 14780, 16370, 31777, 32740, 63554, 70391, 127108, 140782, 158885, 281564, 317770, 351955, 635540, 703910, 1209743, 1407820, 2419486, 4838972, 6048715, 12097430, 24194860, 52018949, 104037898, 208075796, 260094745, 520189490, 1040378980]

約数ペア:

[(1, 1040378980), (2, 520189490), (4, 260094745), (5, 208075796), (10, 104037898), (20, 52018949), (43, 24194860), (86, 12097430), (172, 6048715), (215, 4838972), (430, 2419486), (739, 1407820), (860, 1209743), (1478, 703910), (1637, 635540), (2956, 351955), (3274, 317770), (3695, 281564), (6548, 158885), (7390, 140782), (8185, 127108), (14780, 70391), (16370, 63554), (31777, 32740)]