199372400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{8171}}^1$

素因数の和:8250

約数の個数: 60

約数和(自身を含む): 486904104

約数和(自身を除く): 287531704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 6100, 8171, 12200, 16342, 24400, 32684, 40855, 65368, 81710, 130736, 163420, 204275, 326840, 408550, 498431, 653680, 817100, 996862, 1634200, 1993724, 2492155, 3268400, 3987448, 4984310, 7974896, 9968620, 12460775, 19937240, 24921550, 39874480, 49843100, 99686200, 199372400]

約数ペア:

[(1, 199372400), (2, 99686200), (4, 49843100), (5, 39874480), (8, 24921550), (10, 19937240), (16, 12460775), (20, 9968620), (25, 7974896), (40, 4984310), (50, 3987448), (61, 3268400), (80, 2492155), (100, 1993724), (122, 1634200), (200, 996862), (244, 817100), (305, 653680), (400, 498431), (488, 408550), (610, 326840), (976, 204275), (1220, 163420), (1525, 130736), (2440, 81710), (3050, 65368), (4880, 40855), (6100, 32684), (8171, 24400), (12200, 16342)]