218219800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{8329}}^1$

素因数の和:8476

約数の個数: 48

約数和(自身を含む): 511295400

約数和(自身を除く): 293075600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 8329, 13100, 16658, 26200, 33316, 41645, 66632, 83290, 166580, 208225, 333160, 416450, 832900, 1091099, 1665800, 2182198, 4364396, 5455495, 8728792, 10910990, 21821980, 27277475, 43643960, 54554950, 109109900, 218219800]

約数ペア:

[(1, 218219800), (2, 109109900), (4, 54554950), (5, 43643960), (8, 27277475), (10, 21821980), (20, 10910990), (25, 8728792), (40, 5455495), (50, 4364396), (100, 2182198), (131, 1665800), (200, 1091099), (262, 832900), (524, 416450), (655, 333160), (1048, 208225), (1310, 166580), (2620, 83290), (3275, 66632), (5240, 41645), (6550, 33316), (8329, 26200), (13100, 16658)]