8521730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 18800640

約数和(自身を除く): 10278910

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 67, 70, 79, 115, 134, 158, 161, 230, 322, 335, 395, 469, 553, 670, 790, 805, 938, 1106, 1541, 1610, 1817, 2345, 2765, 3082, 3634, 4690, 5293, 5530, 7705, 9085, 10586, 10787, 12719, 15410, 18170, 21574, 25438, 26465, 37051, 52930, 53935, 63595, 74102, 107870, 121739, 127190, 185255, 243478, 370510, 608695, 852173, 1217390, 1704346, 4260865, 8521730]

約数ペア:

[(1, 8521730), (2, 4260865), (5, 1704346), (7, 1217390), (10, 852173), (14, 608695), (23, 370510), (35, 243478), (46, 185255), (67, 127190), (70, 121739), (79, 107870), (115, 74102), (134, 63595), (158, 53935), (161, 52930), (230, 37051), (322, 26465), (335, 25438), (395, 21574), (469, 18170), (553, 15410), (670, 12719), (790, 10787), (805, 10586), (938, 9085), (1106, 7705), (1541, 5530), (1610, 5293), (1817, 4690), (2345, 3634), (2765, 3082)]