158423860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 390126240

約数和(自身を除く): 231702380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1163, 1390, 1946, 2326, 2780, 3892, 4652, 4865, 5815, 6811, 8141, 9730, 11630, 13622, 16282, 19460, 23260, 27244, 32564, 34055, 40705, 56987, 68110, 81410, 113974, 136220, 161657, 162820, 227948, 284935, 323314, 569870, 646628, 808285, 1131599, 1139740, 1616570, 2263198, 3233140, 4526396, 5657995, 7921193, 11315990, 15842386, 22631980, 31684772, 39605965, 79211930, 158423860]

約数ペア:

[(1, 158423860), (2, 79211930), (4, 39605965), (5, 31684772), (7, 22631980), (10, 15842386), (14, 11315990), (20, 7921193), (28, 5657995), (35, 4526396), (49, 3233140), (70, 2263198), (98, 1616570), (139, 1139740), (140, 1131599), (196, 808285), (245, 646628), (278, 569870), (490, 323314), (556, 284935), (695, 227948), (973, 162820), (980, 161657), (1163, 136220), (1390, 113974), (1946, 81410), (2326, 68110), (2780, 56987), (3892, 40705), (4652, 34055), (4865, 32564), (5815, 27244), (6811, 23260), (8141, 19460), (9730, 16282), (11630, 13622)]