10991500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 27518400

約数和(自身を除く): 16526900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 89, 95, 100, 125, 130, 178, 190, 247, 250, 260, 325, 356, 380, 445, 475, 494, 500, 650, 890, 950, 988, 1157, 1235, 1300, 1625, 1691, 1780, 1900, 2225, 2314, 2375, 2470, 3250, 3382, 4450, 4628, 4750, 4940, 5785, 6175, 6500, 6764, 8455, 8900, 9500, 11125, 11570, 12350, 16910, 21983, 22250, 23140, 24700, 28925, 30875, 33820, 42275, 43966, 44500, 57850, 61750, 84550, 87932, 109915, 115700, 123500, 144625, 169100, 211375, 219830, 289250, 422750, 439660, 549575, 578500, 845500, 1099150, 2198300, 2747875, 5495750, 10991500]

約数ペア:

[(1, 10991500), (2, 5495750), (4, 2747875), (5, 2198300), (10, 1099150), (13, 845500), (19, 578500), (20, 549575), (25, 439660), (26, 422750), (38, 289250), (50, 219830), (52, 211375), (65, 169100), (76, 144625), (89, 123500), (95, 115700), (100, 109915), (125, 87932), (130, 84550), (178, 61750), (190, 57850), (247, 44500), (250, 43966), (260, 42275), (325, 33820), (356, 30875), (380, 28925), (445, 24700), (475, 23140), (494, 22250), (500, 21983), (650, 16910), (890, 12350), (950, 11570), (988, 11125), (1157, 9500), (1235, 8900), (1300, 8455), (1625, 6764), (1691, 6500), (1780, 6175), (1900, 5785), (2225, 4940), (2314, 4750), (2375, 4628), (2470, 4450), (3250, 3382)]