161587400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3319

約数の個数: 96

約数和(自身を含む): 426014400

約数和(自身を除く): 264427000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 475, 494, 520, 650, 760, 950, 988, 1235, 1300, 1900, 1976, 2470, 2600, 3271, 3800, 4940, 6175, 6542, 9880, 12350, 13084, 16355, 24700, 26168, 32710, 42523, 49400, 62149, 65420, 81775, 85046, 124298, 130840, 163550, 170092, 212615, 248596, 310745, 327100, 340184, 425230, 497192, 621490, 654200, 807937, 850460, 1063075, 1242980, 1553725, 1615874, 1700920, 2126150, 2485960, 3107450, 3231748, 4039685, 4252300, 6214900, 6463496, 8079370, 8504600, 12429800, 16158740, 20198425, 32317480, 40396850, 80793700, 161587400]

約数ペア:

[(1, 161587400), (2, 80793700), (4, 40396850), (5, 32317480), (8, 20198425), (10, 16158740), (13, 12429800), (19, 8504600), (20, 8079370), (25, 6463496), (26, 6214900), (38, 4252300), (40, 4039685), (50, 3231748), (52, 3107450), (65, 2485960), (76, 2126150), (95, 1700920), (100, 1615874), (104, 1553725), (130, 1242980), (152, 1063075), (190, 850460), (200, 807937), (247, 654200), (260, 621490), (325, 497192), (380, 425230), (475, 340184), (494, 327100), (520, 310745), (650, 248596), (760, 212615), (950, 170092), (988, 163550), (1235, 130840), (1300, 124298), (1900, 85046), (1976, 81775), (2470, 65420), (2600, 62149), (3271, 49400), (3800, 42523), (4940, 32710), (6175, 26168), (6542, 24700), (9880, 16355), (12350, 13084)]