878996900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3947}}^1$

素因数の和:4109

約数の個数: 72

約数和(自身を含む): 2035557216

約数和(自身を除く): 1156560316

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 131, 170, 262, 340, 425, 524, 655, 850, 1310, 1700, 2227, 2620, 3275, 3947, 4454, 6550, 7894, 8908, 11135, 13100, 15788, 19735, 22270, 39470, 44540, 55675, 67099, 78940, 98675, 111350, 134198, 197350, 222700, 268396, 335495, 394700, 517057, 670990, 1034114, 1341980, 1677475, 2068228, 2585285, 3354950, 5170570, 6709900, 8789969, 10341140, 12926425, 17579938, 25852850, 35159876, 43949845, 51705700, 87899690, 175799380, 219749225, 439498450, 878996900]

約数ペア:

[(1, 878996900), (2, 439498450), (4, 219749225), (5, 175799380), (10, 87899690), (17, 51705700), (20, 43949845), (25, 35159876), (34, 25852850), (50, 17579938), (68, 12926425), (85, 10341140), (100, 8789969), (131, 6709900), (170, 5170570), (262, 3354950), (340, 2585285), (425, 2068228), (524, 1677475), (655, 1341980), (850, 1034114), (1310, 670990), (1700, 517057), (2227, 394700), (2620, 335495), (3275, 268396), (3947, 222700), (4454, 197350), (6550, 134198), (7894, 111350), (8908, 98675), (11135, 78940), (13100, 67099), (15788, 55675), (19735, 44540), (22270, 39470)]