169617980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13613}}^1$

素因数の和:13718

約数の個数: 48

約数和(自身を含む): 411687360

約数和(自身を除く): 242069380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 13613, 27226, 54452, 68065, 95291, 136130, 190582, 272260, 381164, 476455, 952910, 1211557, 1905820, 2423114, 4846228, 6057785, 8480899, 12115570, 16961798, 24231140, 33923596, 42404495, 84808990, 169617980]

約数ペア:

[(1, 169617980), (2, 84808990), (4, 42404495), (5, 33923596), (7, 24231140), (10, 16961798), (14, 12115570), (20, 8480899), (28, 6057785), (35, 4846228), (70, 2423114), (89, 1905820), (140, 1211557), (178, 952910), (356, 476455), (445, 381164), (623, 272260), (890, 190582), (1246, 136130), (1780, 95291), (2492, 68065), (3115, 54452), (6230, 27226), (12460, 13613)]