201749980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12347}}^1$

素因数の和:12418

約数の個数: 48

約数和(自身を含む): 456382080

約数和(自身を除く): 254632100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 12347, 16340, 24694, 49388, 61735, 123470, 234593, 246940, 469186, 530921, 938372, 1061842, 1172965, 2123684, 2345930, 2654605, 4691860, 5309210, 10087499, 10618420, 20174998, 40349996, 50437495, 100874990, 201749980]

約数ペア:

[(1, 201749980), (2, 100874990), (4, 50437495), (5, 40349996), (10, 20174998), (19, 10618420), (20, 10087499), (38, 5309210), (43, 4691860), (76, 2654605), (86, 2345930), (95, 2123684), (172, 1172965), (190, 1061842), (215, 938372), (380, 530921), (430, 469186), (817, 246940), (860, 234593), (1634, 123470), (3268, 61735), (4085, 49388), (8170, 24694), (12347, 16340)]