251018260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{3499}}^1$

素因数の和:3736

約数の個数: 48

約数和(自身を含む): 560952000

約数和(自身を除く): 309933740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 844, 1055, 2110, 3499, 3587, 4220, 6998, 7174, 13996, 14348, 17495, 17935, 34990, 35870, 59483, 69980, 71740, 118966, 237932, 297415, 594830, 738289, 1189660, 1476578, 2953156, 3691445, 7382890, 12550913, 14765780, 25101826, 50203652, 62754565, 125509130, 251018260]

約数ペア:

[(1, 251018260), (2, 125509130), (4, 62754565), (5, 50203652), (10, 25101826), (17, 14765780), (20, 12550913), (34, 7382890), (68, 3691445), (85, 2953156), (170, 1476578), (211, 1189660), (340, 738289), (422, 594830), (844, 297415), (1055, 237932), (2110, 118966), (3499, 71740), (3587, 69980), (4220, 59483), (6998, 35870), (7174, 34990), (13996, 17935), (14348, 17495)]