31487890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 66484800

約数和(自身を除く): 34996910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 179, 245, 358, 359, 490, 718, 895, 1253, 1790, 1795, 2506, 2513, 3590, 5026, 6265, 8771, 12530, 12565, 17542, 17591, 25130, 35182, 43855, 64261, 87710, 87955, 128522, 175910, 321305, 449827, 642610, 899654, 2249135, 3148789, 4498270, 6297578, 15743945, 31487890]

約数ペア:

[(1, 31487890), (2, 15743945), (5, 6297578), (7, 4498270), (10, 3148789), (14, 2249135), (35, 899654), (49, 642610), (70, 449827), (98, 321305), (179, 175910), (245, 128522), (358, 87955), (359, 87710), (490, 64261), (718, 43855), (895, 35182), (1253, 25130), (1790, 17591), (1795, 17542), (2506, 12565), (2513, 12530), (3590, 8771), (5026, 6265)]