248711995

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 385817040

約数和(自身を除く): 137105045

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 101, 115, 133, 161, 245, 437, 505, 529, 665, 707, 805, 931, 1127, 1919, 2185, 2323, 2645, 3059, 3535, 3703, 4655, 4949, 5635, 9595, 10051, 11615, 13433, 15295, 16261, 18515, 21413, 24745, 25921, 44137, 50255, 53429, 67165, 70357, 81305, 94031, 107065, 113827, 129605, 220685, 267145, 308959, 351785, 374003, 470155, 492499, 569135, 1015151, 1544795, 1870015, 2162713, 2462495, 2618021, 5075755, 7106057, 10813565, 13090105, 35530285, 49742399, 248711995]

約数ペア:

[(1, 248711995), (5, 49742399), (7, 35530285), (19, 13090105), (23, 10813565), (35, 7106057), (49, 5075755), (95, 2618021), (101, 2462495), (115, 2162713), (133, 1870015), (161, 1544795), (245, 1015151), (437, 569135), (505, 492499), (529, 470155), (665, 374003), (707, 351785), (805, 308959), (931, 267145), (1127, 220685), (1919, 129605), (2185, 113827), (2323, 107065), (2645, 94031), (3059, 81305), (3535, 70357), (3703, 67165), (4655, 53429), (4949, 50255), (5635, 44137), (9595, 25921), (10051, 24745), (11615, 21413), (13433, 18515), (15295, 16261)]