200812420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2063}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 438294528

約数和(自身を除く): 237482108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 1570, 2063, 3140, 4126, 4867, 8252, 9734, 10315, 19468, 20630, 24335, 41260, 48670, 63953, 97340, 127906, 255812, 319765, 323891, 639530, 647782, 1279060, 1295564, 1619455, 3238910, 6477820, 10040621, 20081242, 40162484, 50203105, 100406210, 200812420]

約数ペア:

[(1, 200812420), (2, 100406210), (4, 50203105), (5, 40162484), (10, 20081242), (20, 10040621), (31, 6477820), (62, 3238910), (124, 1619455), (155, 1295564), (157, 1279060), (310, 647782), (314, 639530), (620, 323891), (628, 319765), (785, 255812), (1570, 127906), (2063, 97340), (3140, 63953), (4126, 48670), (4867, 41260), (8252, 24335), (9734, 20630), (10315, 19468)]