470432020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{6221}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 1045296000

約数和(自身を除く): 574863980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 796, 995, 1990, 3781, 3980, 6221, 7562, 12442, 15124, 18905, 24884, 31105, 37810, 62210, 75620, 118199, 124420, 236398, 472796, 590995, 1181990, 1237979, 2363980, 2475958, 4951916, 6189895, 12379790, 23521601, 24759580, 47043202, 94086404, 117608005, 235216010, 470432020]

約数ペア:

[(1, 470432020), (2, 235216010), (4, 117608005), (5, 94086404), (10, 47043202), (19, 24759580), (20, 23521601), (38, 12379790), (76, 6189895), (95, 4951916), (190, 2475958), (199, 2363980), (380, 1237979), (398, 1181990), (796, 590995), (995, 472796), (1990, 236398), (3781, 124420), (3980, 118199), (6221, 75620), (7562, 62210), (12442, 37810), (15124, 31105), (18905, 24884)]