161989100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2584

約数の個数: 108

約数和(自身を含む): 440534304

約数和(自身を除く): 278545204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 350, 364, 455, 490, 637, 650, 700, 910, 980, 1225, 1274, 1300, 1820, 2275, 2450, 2543, 2548, 3185, 4550, 4900, 5086, 6370, 9100, 10172, 12715, 12740, 15925, 17801, 25430, 31850, 33059, 35602, 50860, 63575, 63700, 66118, 71204, 89005, 124607, 127150, 132236, 165295, 178010, 231413, 249214, 254300, 330590, 356020, 445025, 462826, 498428, 623035, 661180, 826475, 890050, 925652, 1157065, 1246070, 1619891, 1652950, 1780100, 2314130, 2492140, 3115175, 3239782, 3305900, 4628260, 5785325, 6230350, 6479564, 8099455, 11570650, 12460700, 16198910, 23141300, 32397820, 40497275, 80994550, 161989100]

約数ペア:

[(1, 161989100), (2, 80994550), (4, 40497275), (5, 32397820), (7, 23141300), (10, 16198910), (13, 12460700), (14, 11570650), (20, 8099455), (25, 6479564), (26, 6230350), (28, 5785325), (35, 4628260), (49, 3305900), (50, 3239782), (52, 3115175), (65, 2492140), (70, 2314130), (91, 1780100), (98, 1652950), (100, 1619891), (130, 1246070), (140, 1157065), (175, 925652), (182, 890050), (196, 826475), (245, 661180), (260, 623035), (325, 498428), (350, 462826), (364, 445025), (455, 356020), (490, 330590), (637, 254300), (650, 249214), (700, 231413), (910, 178010), (980, 165295), (1225, 132236), (1274, 127150), (1300, 124607), (1820, 89005), (2275, 71204), (2450, 66118), (2543, 63700), (2548, 63575), (3185, 50860), (4550, 35602), (4900, 33059), (5086, 31850), (6370, 25430), (9100, 17801), (10172, 15925), (12715, 12740)]