129705980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1481}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 283832640

約数和(自身を除く): 154126660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1481, 1510, 2962, 3020, 4379, 5924, 7405, 8758, 14810, 17516, 21895, 29620, 42949, 43790, 85898, 87580, 171796, 214745, 223631, 429490, 447262, 858980, 894524, 1118155, 2236310, 4472620, 6485299, 12970598, 25941196, 32426495, 64852990, 129705980]

約数ペア:

[(1, 129705980), (2, 64852990), (4, 32426495), (5, 25941196), (10, 12970598), (20, 6485299), (29, 4472620), (58, 2236310), (116, 1118155), (145, 894524), (151, 858980), (290, 447262), (302, 429490), (580, 223631), (604, 214745), (755, 171796), (1481, 87580), (1510, 85898), (2962, 43790), (3020, 42949), (4379, 29620), (5924, 21895), (7405, 17516), (8758, 14810)]