201219320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 471139200

約数和(自身を除く): 269919880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 1721, 2923, 3160, 3442, 5846, 6884, 8605, 11692, 13768, 14615, 17210, 23384, 29230, 34420, 58460, 63677, 68840, 116920, 127354, 135959, 254708, 271918, 318385, 509416, 543836, 636770, 679795, 1087672, 1273540, 1359590, 2547080, 2719180, 5030483, 5438360, 10060966, 20121932, 25152415, 40243864, 50304830, 100609660, 201219320]

約数ペア:

[(1, 201219320), (2, 100609660), (4, 50304830), (5, 40243864), (8, 25152415), (10, 20121932), (20, 10060966), (37, 5438360), (40, 5030483), (74, 2719180), (79, 2547080), (148, 1359590), (158, 1273540), (185, 1087672), (296, 679795), (316, 636770), (370, 543836), (395, 509416), (632, 318385), (740, 271918), (790, 254708), (1480, 135959), (1580, 127354), (1721, 116920), (2923, 68840), (3160, 63677), (3442, 58460), (5846, 34420), (6884, 29230), (8605, 23384), (11692, 17210), (13768, 14615)]