290875260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{372917}}^1$

素因数の和:372942

約数の個数: 48

約数和(自身を含む): 877103136

約数和(自身を除く): 586227876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 372917, 745834, 1118751, 1491668, 1864585, 2237502, 3729170, 4475004, 4847921, 5593755, 7458340, 9695842, 11187510, 14543763, 19391684, 22375020, 24239605, 29087526, 48479210, 58175052, 72718815, 96958420, 145437630, 290875260]

約数ペア:

[(1, 290875260), (2, 145437630), (3, 96958420), (4, 72718815), (5, 58175052), (6, 48479210), (10, 29087526), (12, 24239605), (13, 22375020), (15, 19391684), (20, 14543763), (26, 11187510), (30, 9695842), (39, 7458340), (52, 5593755), (60, 4847921), (65, 4475004), (78, 3729170), (130, 2237502), (156, 1864585), (195, 1491668), (260, 1118751), (390, 745834), (780, 372917)]