157686340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38839}}^1$

素因数の和:38884

約数の個数: 48

約数和(自身を含む): 391507200

約数和(自身を除く): 233820860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 38839, 77678, 155356, 194195, 271873, 388390, 543746, 776780, 1087492, 1126331, 1359365, 2252662, 2718730, 4505324, 5437460, 5631655, 7884317, 11263310, 15768634, 22526620, 31537268, 39421585, 78843170, 157686340]

約数ペア:

[(1, 157686340), (2, 78843170), (4, 39421585), (5, 31537268), (7, 22526620), (10, 15768634), (14, 11263310), (20, 7884317), (28, 5631655), (29, 5437460), (35, 4505324), (58, 2718730), (70, 2252662), (116, 1359365), (140, 1126331), (145, 1087492), (203, 776780), (290, 543746), (406, 388390), (580, 271873), (812, 194195), (1015, 155356), (2030, 77678), (4060, 38839)]