85709000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 228009600

約数和(自身を除く): 142300600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 325, 347, 380, 475, 494, 500, 520, 650, 694, 760, 950, 988, 1000, 1235, 1300, 1388, 1625, 1735, 1900, 1976, 2375, 2470, 2600, 2776, 3250, 3470, 3800, 4511, 4750, 4940, 6175, 6500, 6593, 6940, 8675, 9022, 9500, 9880, 12350, 13000, 13186, 13880, 17350, 18044, 19000, 22555, 24700, 26372, 30875, 32965, 34700, 36088, 43375, 45110, 49400, 52744, 61750, 65930, 69400, 85709, 86750, 90220, 112775, 123500, 131860, 164825, 171418, 173500, 180440, 225550, 247000, 263720, 329650, 342836, 347000, 428545, 451100, 563875, 659300, 685672, 824125, 857090, 902200, 1127750, 1318600, 1648250, 1714180, 2142725, 2255500, 3296500, 3428360, 4285450, 4511000, 6593000, 8570900, 10713625, 17141800, 21427250, 42854500, 85709000]

約数ペア:

[(1, 85709000), (2, 42854500), (4, 21427250), (5, 17141800), (8, 10713625), (10, 8570900), (13, 6593000), (19, 4511000), (20, 4285450), (25, 3428360), (26, 3296500), (38, 2255500), (40, 2142725), (50, 1714180), (52, 1648250), (65, 1318600), (76, 1127750), (95, 902200), (100, 857090), (104, 824125), (125, 685672), (130, 659300), (152, 563875), (190, 451100), (200, 428545), (247, 347000), (250, 342836), (260, 329650), (325, 263720), (347, 247000), (380, 225550), (475, 180440), (494, 173500), (500, 171418), (520, 164825), (650, 131860), (694, 123500), (760, 112775), (950, 90220), (988, 86750), (1000, 85709), (1235, 69400), (1300, 65930), (1388, 61750), (1625, 52744), (1735, 49400), (1900, 45110), (1976, 43375), (2375, 36088), (2470, 34700), (2600, 32965), (2776, 30875), (3250, 26372), (3470, 24700), (3800, 22555), (4511, 19000), (4750, 18044), (4940, 17350), (6175, 13880), (6500, 13186), (6593, 13000), (6940, 12350), (8675, 9880), (9022, 9500)]