71851180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 165868416

約数和(自身を除く): 94017236

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 401, 527, 578, 620, 802, 1054, 1156, 1445, 1604, 2005, 2108, 2635, 2890, 4010, 5270, 5780, 6817, 8020, 8959, 10540, 12431, 13634, 17918, 24862, 27268, 34085, 35836, 44795, 49724, 62155, 68170, 89590, 115889, 124310, 136340, 179180, 211327, 231778, 248620, 422654, 463556, 579445, 845308, 1056635, 1158890, 2113270, 2317780, 3592559, 4226540, 7185118, 14370236, 17962795, 35925590, 71851180]

約数ペア:

[(1, 71851180), (2, 35925590), (4, 17962795), (5, 14370236), (10, 7185118), (17, 4226540), (20, 3592559), (31, 2317780), (34, 2113270), (62, 1158890), (68, 1056635), (85, 845308), (124, 579445), (155, 463556), (170, 422654), (289, 248620), (310, 231778), (340, 211327), (401, 179180), (527, 136340), (578, 124310), (620, 115889), (802, 89590), (1054, 68170), (1156, 62155), (1445, 49724), (1604, 44795), (2005, 35836), (2108, 34085), (2635, 27268), (2890, 24862), (4010, 17918), (5270, 13634), (5780, 12431), (6817, 10540), (8020, 8959)]