218267616040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2885611}}^1$

素因数の和:2885714

約数の個数: 64

約数和(自身を含む): 515254878720

約数和(自身を除く): 296987262680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 37820, 75640, 2885611, 5771222, 11542444, 14428055, 23084888, 28856110, 57712220, 89453941, 115424440, 176022271, 178907882, 352044542, 357815764, 447269705, 704089084, 715631528, 880111355, 894539410, 1408178168, 1760222710, 1789078820, 3520445420, 3578157640, 5456690401, 7040890840, 10913380802, 21826761604, 27283452005, 43653523208, 54566904010, 109133808020, 218267616040]

約数ペア:

[(1, 218267616040), (2, 109133808020), (4, 54566904010), (5, 43653523208), (8, 27283452005), (10, 21826761604), (20, 10913380802), (31, 7040890840), (40, 5456690401), (61, 3578157640), (62, 3520445420), (122, 1789078820), (124, 1760222710), (155, 1408178168), (244, 894539410), (248, 880111355), (305, 715631528), (310, 704089084), (488, 447269705), (610, 357815764), (620, 352044542), (1220, 178907882), (1240, 176022271), (1891, 115424440), (2440, 89453941), (3782, 57712220), (7564, 28856110), (9455, 23084888), (15128, 14428055), (18910, 11542444), (37820, 5771222), (75640, 2885611)]