1382780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 3619728

約数和(自身を除く): 2236948

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 83, 85, 98, 119, 140, 166, 170, 196, 238, 245, 332, 340, 415, 476, 490, 581, 595, 830, 833, 980, 1162, 1190, 1411, 1660, 1666, 2324, 2380, 2822, 2905, 3332, 4067, 4165, 5644, 5810, 7055, 8134, 8330, 9877, 11620, 14110, 16268, 16660, 19754, 20335, 28220, 39508, 40670, 49385, 69139, 81340, 98770, 138278, 197540, 276556, 345695, 691390, 1382780]

約数ペア:

[(1, 1382780), (2, 691390), (4, 345695), (5, 276556), (7, 197540), (10, 138278), (14, 98770), (17, 81340), (20, 69139), (28, 49385), (34, 40670), (35, 39508), (49, 28220), (68, 20335), (70, 19754), (83, 16660), (85, 16268), (98, 14110), (119, 11620), (140, 9877), (166, 8330), (170, 8134), (196, 7055), (238, 5810), (245, 5644), (332, 4165), (340, 4067), (415, 3332), (476, 2905), (490, 2822), (581, 2380), (595, 2324), (830, 1666), (833, 1660), (980, 1411), (1162, 1190)]