205225580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47287}}^1$

素因数の和:47334

約数の個数: 48

約数和(自身を含む): 508440576

約数和(自身を除く): 303214996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47287, 94574, 189148, 236435, 331009, 472870, 662018, 945740, 1324036, 1465897, 1655045, 2931794, 3310090, 5863588, 6620180, 7329485, 10261279, 14658970, 20522558, 29317940, 41045116, 51306395, 102612790, 205225580]

約数ペア:

[(1, 205225580), (2, 102612790), (4, 51306395), (5, 41045116), (7, 29317940), (10, 20522558), (14, 14658970), (20, 10261279), (28, 7329485), (31, 6620180), (35, 5863588), (62, 3310090), (70, 2931794), (124, 1655045), (140, 1465897), (155, 1324036), (217, 945740), (310, 662018), (434, 472870), (620, 331009), (868, 236435), (1085, 189148), (2170, 94574), (4340, 47287)]