28070770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 62979840

約数和(自身を除く): 34909070

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 109, 130, 182, 218, 283, 455, 545, 566, 763, 910, 1090, 1415, 1417, 1526, 1981, 2830, 2834, 3679, 3815, 3962, 7085, 7358, 7630, 9905, 9919, 14170, 18395, 19810, 19838, 25753, 30847, 36790, 49595, 51506, 61694, 99190, 128765, 154235, 215929, 257530, 308470, 401011, 431858, 802022, 1079645, 2005055, 2159290, 2807077, 4010110, 5614154, 14035385, 28070770]

約数ペア:

[(1, 28070770), (2, 14035385), (5, 5614154), (7, 4010110), (10, 2807077), (13, 2159290), (14, 2005055), (26, 1079645), (35, 802022), (65, 431858), (70, 401011), (91, 308470), (109, 257530), (130, 215929), (182, 154235), (218, 128765), (283, 99190), (455, 61694), (545, 51506), (566, 49595), (763, 36790), (910, 30847), (1090, 25753), (1415, 19838), (1417, 19810), (1526, 18395), (1981, 14170), (2830, 9919), (2834, 9905), (3679, 7630), (3815, 7358), (3962, 7085)]