203460440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2424

約数の個数: 64

約数和(自身を含む): 479416320

約数和(自身を除く): 275955880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2311, 2840, 4402, 4622, 8804, 9244, 11005, 11555, 17608, 18488, 22010, 23110, 44020, 46220, 71641, 88040, 92440, 143282, 164081, 286564, 328162, 358205, 573128, 656324, 716410, 820405, 1312648, 1432820, 1640810, 2865640, 3281620, 5086511, 6563240, 10173022, 20346044, 25432555, 40692088, 50865110, 101730220, 203460440]

約数ペア:

[(1, 203460440), (2, 101730220), (4, 50865110), (5, 40692088), (8, 25432555), (10, 20346044), (20, 10173022), (31, 6563240), (40, 5086511), (62, 3281620), (71, 2865640), (124, 1640810), (142, 1432820), (155, 1312648), (248, 820405), (284, 716410), (310, 656324), (355, 573128), (568, 358205), (620, 328162), (710, 286564), (1240, 164081), (1420, 143282), (2201, 92440), (2311, 88040), (2840, 71641), (4402, 46220), (4622, 44020), (8804, 23110), (9244, 22010), (11005, 18488), (11555, 17608)]