556743100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 1244826576

約数和(自身を除く): 688083476

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 251, 410, 502, 541, 820, 1004, 1025, 1082, 1255, 2050, 2164, 2510, 2705, 4100, 5020, 5410, 6275, 10291, 10820, 12550, 13525, 20582, 22181, 25100, 27050, 41164, 44362, 51455, 54100, 88724, 102910, 110905, 135791, 205820, 221810, 257275, 271582, 443620, 514550, 543164, 554525, 678955, 1029100, 1109050, 1357910, 2218100, 2715820, 3394775, 5567431, 6789550, 11134862, 13579100, 22269724, 27837155, 55674310, 111348620, 139185775, 278371550, 556743100]

約数ペア:

[(1, 556743100), (2, 278371550), (4, 139185775), (5, 111348620), (10, 55674310), (20, 27837155), (25, 22269724), (41, 13579100), (50, 11134862), (82, 6789550), (100, 5567431), (164, 3394775), (205, 2715820), (251, 2218100), (410, 1357910), (502, 1109050), (541, 1029100), (820, 678955), (1004, 554525), (1025, 543164), (1082, 514550), (1255, 443620), (2050, 271582), (2164, 257275), (2510, 221810), (2705, 205820), (4100, 135791), (5020, 110905), (5410, 102910), (6275, 88724), (10291, 54100), (10820, 51455), (12550, 44362), (13525, 41164), (20582, 27050), (22181, 25100)]