2831790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 7511616

約数和(自身を除く): 4679826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 137, 159, 195, 265, 274, 318, 390, 411, 530, 685, 689, 795, 822, 1370, 1378, 1590, 1781, 2055, 2067, 3445, 3562, 4110, 4134, 5343, 6890, 7261, 8905, 10335, 10686, 14522, 17810, 20670, 21783, 26715, 36305, 43566, 53430, 72610, 94393, 108915, 188786, 217830, 283179, 471965, 566358, 943930, 1415895, 2831790]

約数ペア:

[(1, 2831790), (2, 1415895), (3, 943930), (5, 566358), (6, 471965), (10, 283179), (13, 217830), (15, 188786), (26, 108915), (30, 94393), (39, 72610), (53, 53430), (65, 43566), (78, 36305), (106, 26715), (130, 21783), (137, 20670), (159, 17810), (195, 14522), (265, 10686), (274, 10335), (318, 8905), (390, 7261), (411, 6890), (530, 5343), (685, 4134), (689, 4110), (795, 3562), (822, 3445), (1370, 2067), (1378, 2055), (1590, 1781)]