172848560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69697}}^1$

素因数の和:69741

約数の個数: 40

約数和(自身を含む): 414842496

約数和(自身を除く): 241993936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 69697, 139394, 278788, 348485, 557576, 696970, 1115152, 1393940, 2160607, 2787880, 4321214, 5575760, 8642428, 10803035, 17284856, 21606070, 34569712, 43212140, 86424280, 172848560]

約数ペア:

[(1, 172848560), (2, 86424280), (4, 43212140), (5, 34569712), (8, 21606070), (10, 17284856), (16, 10803035), (20, 8642428), (31, 5575760), (40, 4321214), (62, 2787880), (80, 2160607), (124, 1393940), (155, 1115152), (248, 696970), (310, 557576), (496, 348485), (620, 278788), (1240, 139394), (2480, 69697)]