805938900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{206651}}^1$

素因数の和:206681

約数の個数: 72

約数和(自身を含む): 2511235104

約数和(自身を除く): 1705296204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 206651, 413302, 619953, 826604, 1033255, 1239906, 2066510, 2479812, 2686463, 3099765, 4133020, 5166275, 5372926, 6199530, 8059389, 10332550, 10745852, 12399060, 13432315, 15498825, 16118778, 20665100, 26864630, 30997650, 32237556, 40296945, 53729260, 61995300, 67161575, 80593890, 134323150, 161187780, 201484725, 268646300, 402969450, 805938900]

約数ペア:

[(1, 805938900), (2, 402969450), (3, 268646300), (4, 201484725), (5, 161187780), (6, 134323150), (10, 80593890), (12, 67161575), (13, 61995300), (15, 53729260), (20, 40296945), (25, 32237556), (26, 30997650), (30, 26864630), (39, 20665100), (50, 16118778), (52, 15498825), (60, 13432315), (65, 12399060), (75, 10745852), (78, 10332550), (100, 8059389), (130, 6199530), (150, 5372926), (156, 5166275), (195, 4133020), (260, 3099765), (300, 2686463), (325, 2479812), (390, 2066510), (650, 1239906), (780, 1033255), (975, 826604), (1300, 619953), (1950, 413302), (3900, 206651)]