212165240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24443}}^1$

素因数の和:24492

約数の個数: 64

約数和(自身を含む): 563189760

約数和(自身を除く): 351024520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 24443, 48886, 97772, 122215, 171101, 195544, 244430, 342202, 488860, 684404, 757733, 855505, 977720, 1368808, 1515466, 1711010, 3030932, 3422020, 3788665, 5304131, 6061864, 6844040, 7577330, 10608262, 15154660, 21216524, 26520655, 30309320, 42433048, 53041310, 106082620, 212165240]

約数ペア:

[(1, 212165240), (2, 106082620), (4, 53041310), (5, 42433048), (7, 30309320), (8, 26520655), (10, 21216524), (14, 15154660), (20, 10608262), (28, 7577330), (31, 6844040), (35, 6061864), (40, 5304131), (56, 3788665), (62, 3422020), (70, 3030932), (124, 1711010), (140, 1515466), (155, 1368808), (217, 977720), (248, 855505), (280, 757733), (310, 684404), (434, 488860), (620, 342202), (868, 244430), (1085, 195544), (1240, 171101), (1736, 122215), (2170, 97772), (4340, 48886), (8680, 24443)]