54957500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 137768400

約数和(自身を除く): 82810900

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, 625, 650, 890, 950, 988, 1157, 1235, 1250, 1300, 1625, 1691, 1780, 1900, 2225, 2314, 2375, 2470, 2500, 3250, 3382, 4450, 4628, 4750, 4940, 5785, 6175, 6500, 6764, 8125, 8455, 8900, 9500, 11125, 11570, 11875, 12350, 16250, 16910, 21983, 22250, 23140, 23750, 24700, 28925, 30875, 32500, 33820, 42275, 43966, 44500, 47500, 55625, 57850, 61750, 84550, 87932, 109915, 111250, 115700, 123500, 144625, 154375, 169100, 211375, 219830, 222500, 289250, 308750, 422750, 439660, 549575, 578500, 617500, 723125, 845500, 1056875, 1099150, 1446250, 2113750, 2198300, 2747875, 2892500, 4227500, 5495750, 10991500, 13739375, 27478750, 54957500]

約数ペア:

[(1, 54957500), (2, 27478750), (4, 13739375), (5, 10991500), (10, 5495750), (13, 4227500), (19, 2892500), (20, 2747875), (25, 2198300), (26, 2113750), (38, 1446250), (50, 1099150), (52, 1056875), (65, 845500), (76, 723125), (89, 617500), (95, 578500), (100, 549575), (125, 439660), (130, 422750), (178, 308750), (190, 289250), (247, 222500), (250, 219830), (260, 211375), (325, 169100), (356, 154375), (380, 144625), (445, 123500), (475, 115700), (494, 111250), (500, 109915), (625, 87932), (650, 84550), (890, 61750), (950, 57850), (988, 55625), (1157, 47500), (1235, 44500), (1250, 43966), (1300, 42275), (1625, 33820), (1691, 32500), (1780, 30875), (1900, 28925), (2225, 24700), (2314, 23750), (2375, 23140), (2470, 22250), (2500, 21983), (3250, 16910), (3382, 16250), (4450, 12350), (4628, 11875), (4750, 11570), (4940, 11125), (5785, 9500), (6175, 8900), (6500, 8455), (6764, 8125)]