161543620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2503}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 388700928

約数和(自身を除く): 227157308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2305, 2503, 3227, 4610, 5006, 6454, 9220, 10012, 12515, 12908, 16135, 17521, 25030, 32270, 35042, 50060, 64540, 70084, 87605, 175210, 350420, 1153883, 2307766, 4615532, 5769415, 8077181, 11538830, 16154362, 23077660, 32308724, 40385905, 80771810, 161543620]

約数ペア:

[(1, 161543620), (2, 80771810), (4, 40385905), (5, 32308724), (7, 23077660), (10, 16154362), (14, 11538830), (20, 8077181), (28, 5769415), (35, 4615532), (70, 2307766), (140, 1153883), (461, 350420), (922, 175210), (1844, 87605), (2305, 70084), (2503, 64540), (3227, 50060), (4610, 35042), (5006, 32270), (6454, 25030), (9220, 17521), (10012, 16135), (12515, 12908)]