38456620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 83670048

約数和(自身を除く): 45213428

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 461, 485, 860, 922, 970, 1844, 1940, 2305, 4171, 4610, 8342, 9220, 16684, 19823, 20855, 39646, 41710, 44717, 79292, 83420, 89434, 99115, 178868, 198230, 223585, 396460, 447170, 894340, 1922831, 3845662, 7691324, 9614155, 19228310, 38456620]

約数ペア:

[(1, 38456620), (2, 19228310), (4, 9614155), (5, 7691324), (10, 3845662), (20, 1922831), (43, 894340), (86, 447170), (97, 396460), (172, 223585), (194, 198230), (215, 178868), (388, 99115), (430, 89434), (461, 83420), (485, 79292), (860, 44717), (922, 41710), (970, 39646), (1844, 20855), (1940, 19823), (2305, 16684), (4171, 9220), (4610, 8342)]