57447320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 148608000

約数和(自身を除く): 91160680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1031, 1393, 1592, 1990, 2062, 2786, 3980, 4124, 5155, 5572, 6965, 7217, 7960, 8248, 10310, 11144, 13930, 14434, 20620, 27860, 28868, 36085, 41240, 55720, 57736, 72170, 144340, 205169, 288680, 410338, 820676, 1025845, 1436183, 1641352, 2051690, 2872366, 4103380, 5744732, 7180915, 8206760, 11489464, 14361830, 28723660, 57447320]

約数ペア:

[(1, 57447320), (2, 28723660), (4, 14361830), (5, 11489464), (7, 8206760), (8, 7180915), (10, 5744732), (14, 4103380), (20, 2872366), (28, 2051690), (35, 1641352), (40, 1436183), (56, 1025845), (70, 820676), (140, 410338), (199, 288680), (280, 205169), (398, 144340), (796, 72170), (995, 57736), (1031, 55720), (1393, 41240), (1592, 36085), (1990, 28868), (2062, 27860), (2786, 20620), (3980, 14434), (4124, 13930), (5155, 11144), (5572, 10310), (6965, 8248), (7217, 7960)]