216313660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1297}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 471018240

約数和(自身を除く): 254704580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 538, 620, 1076, 1297, 1345, 2594, 2690, 5188, 5380, 6485, 8339, 12970, 16678, 25940, 33356, 40207, 41695, 80414, 83390, 160828, 166780, 201035, 348893, 402070, 697786, 804140, 1395572, 1744465, 3488930, 6977860, 10815683, 21631366, 43262732, 54078415, 108156830, 216313660]

約数ペア:

[(1, 216313660), (2, 108156830), (4, 54078415), (5, 43262732), (10, 21631366), (20, 10815683), (31, 6977860), (62, 3488930), (124, 1744465), (155, 1395572), (269, 804140), (310, 697786), (538, 402070), (620, 348893), (1076, 201035), (1297, 166780), (1345, 160828), (2594, 83390), (2690, 80414), (5188, 41695), (5380, 40207), (6485, 33356), (8339, 25940), (12970, 16678)]