90220025

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1638

約数の個数: 36

約数和(自身を含む): 132991488

約数和(自身を除く): 42771463

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 1175, 1225, 1567, 1645, 2303, 7835, 8225, 10969, 11515, 39175, 54845, 57575, 73649, 76783, 274225, 368245, 383915, 515543, 1841225, 1919575, 2577715, 3608801, 12888575, 18044005, 90220025]

約数ペア:

[(1, 90220025), (5, 18044005), (7, 12888575), (25, 3608801), (35, 2577715), (47, 1919575), (49, 1841225), (175, 515543), (235, 383915), (245, 368245), (329, 274225), (1175, 76783), (1225, 73649), (1567, 57575), (1645, 54845), (2303, 39175), (7835, 11515), (8225, 10969)]