2011017740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{18749}}^1$

素因数の和:18962

約数の個数: 48

約数和(自身を含む): 4384800000

約数和(自身を除く): 2373782260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 5363, 10726, 18749, 21452, 26815, 37498, 53630, 74996, 93745, 107260, 187490, 374980, 581219, 1162438, 2324876, 2906095, 3243577, 5812190, 6487154, 11624380, 12974308, 16217885, 32435770, 64871540, 100550887, 201101774, 402203548, 502754435, 1005508870, 2011017740]

約数ペア:

[(1, 2011017740), (2, 1005508870), (4, 502754435), (5, 402203548), (10, 201101774), (20, 100550887), (31, 64871540), (62, 32435770), (124, 16217885), (155, 12974308), (173, 11624380), (310, 6487154), (346, 5812190), (620, 3243577), (692, 2906095), (865, 2324876), (1730, 1162438), (3460, 581219), (5363, 374980), (10726, 187490), (18749, 107260), (21452, 93745), (26815, 74996), (37498, 53630)]