42290675

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 67852800

約数和(自身を除く): 25562125

約数列:

[1, 5, 7, 19, 23, 25, 35, 49, 79, 95, 115, 133, 161, 175, 245, 395, 437, 475, 553, 575, 665, 805, 931, 1127, 1225, 1501, 1817, 1975, 2185, 2765, 3059, 3325, 3871, 4025, 4655, 5635, 7505, 9085, 10507, 10925, 12719, 13825, 15295, 19355, 21413, 23275, 28175, 34523, 37525, 45425, 52535, 63595, 73549, 76475, 89033, 96775, 107065, 172615, 241661, 262675, 317975, 367745, 445165, 535325, 863075, 1208305, 1691627, 1838725, 2225825, 6041525, 8458135, 42290675]

約数ペア:

[(1, 42290675), (5, 8458135), (7, 6041525), (19, 2225825), (23, 1838725), (25, 1691627), (35, 1208305), (49, 863075), (79, 535325), (95, 445165), (115, 367745), (133, 317975), (161, 262675), (175, 241661), (245, 172615), (395, 107065), (437, 96775), (475, 89033), (553, 76475), (575, 73549), (665, 63595), (805, 52535), (931, 45425), (1127, 37525), (1225, 34523), (1501, 28175), (1817, 23275), (1975, 21413), (2185, 19355), (2765, 15295), (3059, 13825), (3325, 12719), (3871, 10925), (4025, 10507), (4655, 9085), (5635, 7505)]