71424580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 153498240

約数和(自身を除く): 82073660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 281, 284, 355, 358, 562, 710, 716, 895, 1124, 1405, 1420, 1790, 2810, 3580, 5620, 12709, 19951, 25418, 39902, 50299, 50836, 63545, 79804, 99755, 100598, 127090, 199510, 201196, 251495, 254180, 399020, 502990, 1005980, 3571229, 7142458, 14284916, 17856145, 35712290, 71424580]

約数ペア:

[(1, 71424580), (2, 35712290), (4, 17856145), (5, 14284916), (10, 7142458), (20, 3571229), (71, 1005980), (142, 502990), (179, 399020), (281, 254180), (284, 251495), (355, 201196), (358, 199510), (562, 127090), (710, 100598), (716, 99755), (895, 79804), (1124, 63545), (1405, 50836), (1420, 50299), (1790, 39902), (2810, 25418), (3580, 19951), (5620, 12709)]