211352420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7253}}^1$

素因数の和:7340

約数の個数: 48

約数和(自身を含む): 467970048

約数和(自身を除く): 256617628

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5828, 7253, 7285, 14506, 14570, 29012, 29140, 36265, 72530, 145060, 224843, 340891, 449686, 681782, 899372, 1124215, 1363564, 1704455, 2248430, 3408910, 4496860, 6817820, 10567621, 21135242, 42270484, 52838105, 105676210, 211352420]

約数ペア:

[(1, 211352420), (2, 105676210), (4, 52838105), (5, 42270484), (10, 21135242), (20, 10567621), (31, 6817820), (47, 4496860), (62, 3408910), (94, 2248430), (124, 1704455), (155, 1363564), (188, 1124215), (235, 899372), (310, 681782), (470, 449686), (620, 340891), (940, 224843), (1457, 145060), (2914, 72530), (5828, 36265), (7253, 29140), (7285, 29012), (14506, 14570)]