816340

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{17}}^1$

素因数の和:54

約数の個数: 60

約数和(自身を含む): 2117556

約数和(自身を除く): 1301216

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, 343, 476, 490, 595, 686, 833, 980, 1190, 1372, 1666, 1715, 2380, 2401, 3332, 3430, 4165, 4802, 5831, 6860, 8330, 9604, 11662, 12005, 16660, 23324, 24010, 29155, 40817, 48020, 58310, 81634, 116620, 163268, 204085, 408170, 816340]

約数ペア:

[(1, 816340), (2, 408170), (4, 204085), (5, 163268), (7, 116620), (10, 81634), (14, 58310), (17, 48020), (20, 40817), (28, 29155), (34, 24010), (35, 23324), (49, 16660), (68, 12005), (70, 11662), (85, 9604), (98, 8330), (119, 6860), (140, 5831), (170, 4802), (196, 4165), (238, 3430), (245, 3332), (340, 2401), (343, 2380), (476, 1715), (490, 1666), (595, 1372), (686, 1190), (833, 980)]