28717430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 60821280

約数和(自身を除く): 32103850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 569, 721, 1030, 1138, 1442, 2845, 3605, 3983, 5047, 5690, 7210, 7966, 10094, 19915, 25235, 27881, 39830, 50470, 55762, 58607, 117214, 139405, 278810, 293035, 410249, 586070, 820498, 2051245, 2871743, 4102490, 5743486, 14358715, 28717430]

約数ペア:

[(1, 28717430), (2, 14358715), (5, 5743486), (7, 4102490), (10, 2871743), (14, 2051245), (35, 820498), (49, 586070), (70, 410249), (98, 293035), (103, 278810), (206, 139405), (245, 117214), (490, 58607), (515, 55762), (569, 50470), (721, 39830), (1030, 27881), (1138, 25235), (1442, 19915), (2845, 10094), (3605, 7966), (3983, 7210), (5047, 5690)]