68855780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4173

約数の個数: 72

約数和(自身を含む): 178142328

約数和(自身を除く): 109286548

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4133, 4165, 8266, 8330, 16532, 16660, 20665, 28931, 41330, 57862, 70261, 82660, 115724, 140522, 144655, 202517, 281044, 289310, 351305, 405034, 491827, 578620, 702610, 810068, 983654, 1012585, 1405220, 1967308, 2025170, 2459135, 3442789, 4050340, 4918270, 6885578, 9836540, 13771156, 17213945, 34427890, 68855780]

約数ペア:

[(1, 68855780), (2, 34427890), (4, 17213945), (5, 13771156), (7, 9836540), (10, 6885578), (14, 4918270), (17, 4050340), (20, 3442789), (28, 2459135), (34, 2025170), (35, 1967308), (49, 1405220), (68, 1012585), (70, 983654), (85, 810068), (98, 702610), (119, 578620), (140, 491827), (170, 405034), (196, 351305), (238, 289310), (245, 281044), (340, 202517), (476, 144655), (490, 140522), (595, 115724), (833, 82660), (980, 70261), (1190, 57862), (1666, 41330), (2380, 28931), (3332, 20665), (4133, 16660), (4165, 16532), (8266, 8330)]