123890650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8335

約数の個数: 48

約数和(自身を含む): 258983424

約数和(自身を除く): 135092774

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 8287, 14950, 16574, 41435, 82870, 107731, 190601, 207175, 215462, 381202, 414350, 538655, 953005, 1077310, 1906010, 2477813, 2693275, 4765025, 4955626, 5386550, 9530050, 12389065, 24778130, 61945325, 123890650]

約数ペア:

[(1, 123890650), (2, 61945325), (5, 24778130), (10, 12389065), (13, 9530050), (23, 5386550), (25, 4955626), (26, 4765025), (46, 2693275), (50, 2477813), (65, 1906010), (115, 1077310), (130, 953005), (230, 538655), (299, 414350), (325, 381202), (575, 215462), (598, 207175), (650, 190601), (1150, 107731), (1495, 82870), (2990, 41435), (7475, 16574), (8287, 14950)]