730680145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 1015944048

約数和(自身を除く): 285263903

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 289, 401, 485, 1105, 1261, 1445, 1649, 2005, 3757, 5213, 6305, 6817, 8245, 18785, 21437, 26065, 28033, 34085, 38897, 88621, 107185, 115889, 140165, 194485, 364429, 443105, 505661, 579445, 661249, 1506557, 1822145, 2528305, 3306245, 7532785, 8596237, 11241233, 42981185, 56206165, 146136029, 730680145]

約数ペア:

[(1, 730680145), (5, 146136029), (13, 56206165), (17, 42981185), (65, 11241233), (85, 8596237), (97, 7532785), (221, 3306245), (289, 2528305), (401, 1822145), (485, 1506557), (1105, 661249), (1261, 579445), (1445, 505661), (1649, 443105), (2005, 364429), (3757, 194485), (5213, 140165), (6305, 115889), (6817, 107185), (8245, 88621), (18785, 38897), (21437, 34085), (26065, 28033)]