131146540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 322730352

約数和(自身を除く): 191583812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 815, 821, 980, 1141, 1630, 1642, 2282, 3260, 3284, 4105, 4564, 5705, 5747, 7987, 8210, 11410, 11494, 15974, 16420, 22820, 22988, 28735, 31948, 39935, 40229, 57470, 79870, 80458, 114940, 133823, 159740, 160916, 201145, 267646, 402290, 535292, 669115, 804580, 936761, 1338230, 1873522, 2676460, 3747044, 4683805, 6557327, 9367610, 13114654, 18735220, 26229308, 32786635, 65573270, 131146540]

約数ペア:

[(1, 131146540), (2, 65573270), (4, 32786635), (5, 26229308), (7, 18735220), (10, 13114654), (14, 9367610), (20, 6557327), (28, 4683805), (35, 3747044), (49, 2676460), (70, 1873522), (98, 1338230), (140, 936761), (163, 804580), (196, 669115), (245, 535292), (326, 402290), (490, 267646), (652, 201145), (815, 160916), (821, 159740), (980, 133823), (1141, 114940), (1630, 80458), (1642, 79870), (2282, 57470), (3260, 40229), (3284, 39935), (4105, 31948), (4564, 28735), (5705, 22988), (5747, 22820), (7987, 16420), (8210, 15974), (11410, 11494)]