71307475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 99636480

約数和(自身を除く): 28329005

約数列:

[1, 5, 19, 23, 25, 61, 95, 107, 115, 305, 437, 475, 535, 575, 1159, 1403, 1525, 2033, 2185, 2461, 2675, 5795, 6527, 7015, 10165, 10925, 12305, 26657, 28975, 32635, 35075, 46759, 50825, 61525, 124013, 133285, 150121, 163175, 233795, 620065, 666425, 750605, 1168975, 2852299, 3100325, 3753025, 14261495, 71307475]

約数ペア:

[(1, 71307475), (5, 14261495), (19, 3753025), (23, 3100325), (25, 2852299), (61, 1168975), (95, 750605), (107, 666425), (115, 620065), (305, 233795), (437, 163175), (475, 150121), (535, 133285), (575, 124013), (1159, 61525), (1403, 50825), (1525, 46759), (2033, 35075), (2185, 32635), (2461, 28975), (2675, 26657), (5795, 12305), (6527, 10925), (7015, 10165)]