1557996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{73699}}^1$

素因数の和:73866

約数の個数: 48

約数和(自身を含む): 3764006400

約数和(自身を除く): 2206009540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 10570, 21140, 73699, 147398, 294796, 368495, 515893, 736990, 1031786, 1473980, 2063572, 2579465, 5158930, 10317860, 11128549, 22257098, 44514196, 55642745, 77899843, 111285490, 155799686, 222570980, 311599372, 389499215, 778998430, 1557996860]

約数ペア:

[(1, 1557996860), (2, 778998430), (4, 389499215), (5, 311599372), (7, 222570980), (10, 155799686), (14, 111285490), (20, 77899843), (28, 55642745), (35, 44514196), (70, 22257098), (140, 11128549), (151, 10317860), (302, 5158930), (604, 2579465), (755, 2063572), (1057, 1473980), (1510, 1031786), (2114, 736990), (3020, 515893), (4228, 368495), (5285, 294796), (10570, 147398), (21140, 73699)]