350004880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{141131}}^1$

素因数の和:141175

約数の個数: 40

約数和(自身を含む): 840017664

約数和(自身を除く): 490012784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 141131, 282262, 564524, 705655, 1129048, 1411310, 2258096, 2822620, 4375061, 5645240, 8750122, 11290480, 17500244, 21875305, 35000488, 43750610, 70000976, 87501220, 175002440, 350004880]

約数ペア:

[(1, 350004880), (2, 175002440), (4, 87501220), (5, 70000976), (8, 43750610), (10, 35000488), (16, 21875305), (20, 17500244), (31, 11290480), (40, 8750122), (62, 5645240), (80, 4375061), (124, 2822620), (155, 2258096), (248, 1411310), (310, 1129048), (496, 705655), (620, 564524), (1240, 282262), (2480, 141131)]