162201220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 347155200

約数和(自身を除く): 184953980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 251, 316, 395, 409, 502, 790, 818, 1004, 1255, 1580, 1636, 2045, 2510, 4090, 5020, 8180, 19829, 32311, 39658, 64622, 79316, 99145, 102659, 129244, 161555, 198290, 205318, 323110, 396580, 410636, 513295, 646220, 1026590, 2053180, 8110061, 16220122, 32440244, 40550305, 81100610, 162201220]

約数ペア:

[(1, 162201220), (2, 81100610), (4, 40550305), (5, 32440244), (10, 16220122), (20, 8110061), (79, 2053180), (158, 1026590), (251, 646220), (316, 513295), (395, 410636), (409, 396580), (502, 323110), (790, 205318), (818, 198290), (1004, 161555), (1255, 129244), (1580, 102659), (1636, 99145), (2045, 79316), (2510, 64622), (4090, 39658), (5020, 32311), (8180, 19829)]