985215170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 1907712000

約数和(自身を除く): 922496830

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 199, 355, 367, 398, 710, 734, 995, 1349, 1835, 1990, 2698, 3670, 3781, 6745, 6973, 7562, 13490, 13946, 14129, 18905, 26057, 28258, 34865, 37810, 52114, 69730, 70645, 73033, 130285, 141290, 146066, 260570, 268451, 365165, 495083, 536902, 730330, 990166, 1342255, 1387627, 2475415, 2684510, 2775254, 4950830, 5185343, 6938135, 10370686, 13876270, 25926715, 51853430, 98521517, 197043034, 492607585, 985215170]

約数ペア:

[(1, 985215170), (2, 492607585), (5, 197043034), (10, 98521517), (19, 51853430), (38, 25926715), (71, 13876270), (95, 10370686), (142, 6938135), (190, 5185343), (199, 4950830), (355, 2775254), (367, 2684510), (398, 2475415), (710, 1387627), (734, 1342255), (995, 990166), (1349, 730330), (1835, 536902), (1990, 495083), (2698, 365165), (3670, 268451), (3781, 260570), (6745, 146066), (6973, 141290), (7562, 130285), (13490, 73033), (13946, 70645), (14129, 69730), (18905, 52114), (26057, 37810), (28258, 34865)]