157225420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1321}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 361128096

約数和(自身を除く): 203902676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 541, 1082, 1321, 2164, 2642, 2705, 5284, 5410, 5951, 6605, 10820, 11902, 13210, 14531, 23804, 26420, 29062, 29755, 58124, 59510, 72655, 119020, 145310, 290620, 714661, 1429322, 2858644, 3573305, 7146610, 7861271, 14293220, 15722542, 31445084, 39306355, 78612710, 157225420]

約数ペア:

[(1, 157225420), (2, 78612710), (4, 39306355), (5, 31445084), (10, 15722542), (11, 14293220), (20, 7861271), (22, 7146610), (44, 3573305), (55, 2858644), (110, 1429322), (220, 714661), (541, 290620), (1082, 145310), (1321, 119020), (2164, 72655), (2642, 59510), (2705, 58124), (5284, 29755), (5410, 29062), (5951, 26420), (6605, 23804), (10820, 14531), (11902, 13210)]