156956189980

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1987}}^1\times {\mathrm{4799}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 330243379200

約数和(自身を除く): 173287189220

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 1987, 3292, 3974, 4115, 4799, 7948, 8230, 9598, 9935, 16460, 19196, 19870, 23995, 39740, 47990, 95980, 1635301, 3270602, 3949577, 6541204, 7899154, 8176505, 9535613, 15798308, 16353010, 19071226, 19747885, 32706020, 38142452, 39495770, 47678065, 78991540, 95356130, 190712260, 7847809499, 15695618998, 31391237996, 39239047495, 78478094990, 156956189980]

約数ペア:

[(1, 156956189980), (2, 78478094990), (4, 39239047495), (5, 31391237996), (10, 15695618998), (20, 7847809499), (823, 190712260), (1646, 95356130), (1987, 78991540), (3292, 47678065), (3974, 39495770), (4115, 38142452), (4799, 32706020), (7948, 19747885), (8230, 19071226), (9598, 16353010), (9935, 15798308), (16460, 9535613), (19196, 8176505), (19870, 7899154), (23995, 6541204), (39740, 3949577), (47990, 3270602), (95980, 1635301)]