420348530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2139

約数の個数: 64

約数和(自身を含む): 902264832

約数和(自身を除く): 481916302

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 97, 155, 194, 217, 310, 434, 485, 679, 970, 1085, 1358, 1997, 2170, 3007, 3395, 3994, 6014, 6790, 9985, 13979, 15035, 19970, 21049, 27958, 30070, 42098, 61907, 69895, 105245, 123814, 139790, 193709, 210490, 309535, 387418, 433349, 619070, 866698, 968545, 1355963, 1937090, 2166745, 2711926, 4333490, 6004979, 6779815, 12009958, 13559630, 30024895, 42034853, 60049790, 84069706, 210174265, 420348530]

約数ペア:

[(1, 420348530), (2, 210174265), (5, 84069706), (7, 60049790), (10, 42034853), (14, 30024895), (31, 13559630), (35, 12009958), (62, 6779815), (70, 6004979), (97, 4333490), (155, 2711926), (194, 2166745), (217, 1937090), (310, 1355963), (434, 968545), (485, 866698), (679, 619070), (970, 433349), (1085, 387418), (1358, 309535), (1997, 210490), (2170, 193709), (3007, 139790), (3395, 123814), (3994, 105245), (6014, 69895), (6790, 61907), (9985, 42098), (13979, 30070), (15035, 27958), (19970, 21049)]