681346175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 916012800

約数和(自身を除く): 234666625

約数列:

[1, 5, 19, 25, 71, 89, 95, 227, 355, 445, 475, 1135, 1349, 1691, 1775, 2225, 4313, 5675, 6319, 6745, 8455, 16117, 20203, 21565, 31595, 33725, 42275, 80585, 101015, 107825, 120061, 157975, 306223, 383857, 402925, 505075, 600305, 1434413, 1531115, 1919285, 3001525, 7172065, 7655575, 9596425, 27253847, 35860325, 136269235, 681346175]

約数ペア:

[(1, 681346175), (5, 136269235), (19, 35860325), (25, 27253847), (71, 9596425), (89, 7655575), (95, 7172065), (227, 3001525), (355, 1919285), (445, 1531115), (475, 1434413), (1135, 600305), (1349, 505075), (1691, 402925), (1775, 383857), (2225, 306223), (4313, 157975), (5675, 120061), (6319, 107825), (6745, 101015), (8455, 80585), (16117, 42275), (20203, 33725), (21565, 31595)]