1649396540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241847}}^1$

素因数の和:241898

約数の個数: 48

約数和(自身を含む): 3900524544

約数和(自身を除く): 2251128004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 241847, 483694, 967388, 1209235, 2418470, 2660317, 4836940, 5320634, 7497257, 10641268, 13301585, 14994514, 26603170, 29989028, 37486285, 53206340, 74972570, 82469827, 149945140, 164939654, 329879308, 412349135, 824698270, 1649396540]

約数ペア:

[(1, 1649396540), (2, 824698270), (4, 412349135), (5, 329879308), (10, 164939654), (11, 149945140), (20, 82469827), (22, 74972570), (31, 53206340), (44, 37486285), (55, 29989028), (62, 26603170), (110, 14994514), (124, 13301585), (155, 10641268), (220, 7497257), (310, 5320634), (341, 4836940), (620, 2660317), (682, 2418470), (1364, 1209235), (1705, 967388), (3410, 483694), (6820, 241847)]