219660740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49697}}^1$

素因数の和:49736

約数の個数: 48

約数和(自身を含む): 526003632

約数和(自身を除く): 306342892

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 49697, 99394, 198788, 248485, 496970, 646061, 844849, 993940, 1292122, 1689698, 2584244, 3230305, 3379396, 4224245, 6460610, 8448490, 10983037, 12921220, 16896980, 21966074, 43932148, 54915185, 109830370, 219660740]

約数ペア:

[(1, 219660740), (2, 109830370), (4, 54915185), (5, 43932148), (10, 21966074), (13, 16896980), (17, 12921220), (20, 10983037), (26, 8448490), (34, 6460610), (52, 4224245), (65, 3379396), (68, 3230305), (85, 2584244), (130, 1689698), (170, 1292122), (221, 993940), (260, 844849), (340, 646061), (442, 496970), (884, 248485), (1105, 198788), (2210, 99394), (4420, 49697)]