2018374100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 4468073400

約数和(自身を除く): 2449699300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 409, 610, 809, 818, 1220, 1525, 1618, 1636, 2045, 3050, 3236, 4045, 4090, 6100, 8090, 8180, 10225, 16180, 20225, 20450, 24949, 40450, 40900, 49349, 49898, 80900, 98698, 99796, 124745, 197396, 246745, 249490, 330881, 493490, 498980, 623725, 661762, 986980, 1233725, 1247450, 1323524, 1654405, 2467450, 2494900, 3308810, 4934900, 6617620, 8272025, 16544050, 20183741, 33088100, 40367482, 80734964, 100918705, 201837410, 403674820, 504593525, 1009187050, 2018374100]

約数ペア:

[(1, 2018374100), (2, 1009187050), (4, 504593525), (5, 403674820), (10, 201837410), (20, 100918705), (25, 80734964), (50, 40367482), (61, 33088100), (100, 20183741), (122, 16544050), (244, 8272025), (305, 6617620), (409, 4934900), (610, 3308810), (809, 2494900), (818, 2467450), (1220, 1654405), (1525, 1323524), (1618, 1247450), (1636, 1233725), (2045, 986980), (3050, 661762), (3236, 623725), (4045, 498980), (4090, 493490), (6100, 330881), (8090, 249490), (8180, 246745), (10225, 197396), (16180, 124745), (20225, 99796), (20450, 98698), (24949, 80900), (40450, 49898), (40900, 49349)]