854654780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{6287}}^1$

素因数の和:7274

約数の個数: 48

約数和(自身を含む): 2053610496

約数和(自身を除く): 1198955716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1942, 3884, 4855, 6287, 6797, 9710, 12574, 13594, 19420, 25148, 27188, 31435, 33985, 44009, 62870, 67970, 88018, 125740, 135940, 176036, 220045, 440090, 880180, 6104677, 12209354, 24418708, 30523385, 42732739, 61046770, 85465478, 122093540, 170930956, 213663695, 427327390, 854654780]

約数ペア:

[(1, 854654780), (2, 427327390), (4, 213663695), (5, 170930956), (7, 122093540), (10, 85465478), (14, 61046770), (20, 42732739), (28, 30523385), (35, 24418708), (70, 12209354), (140, 6104677), (971, 880180), (1942, 440090), (3884, 220045), (4855, 176036), (6287, 135940), (6797, 125740), (9710, 88018), (12574, 67970), (13594, 62870), (19420, 44009), (25148, 33985), (27188, 31435)]