1330942780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{7019}}^1$

素因数の和:7546

約数の個数: 48

約数和(自身を含む): 2948400000

約数和(自身を除く): 1617457220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 499, 998, 1996, 2495, 4990, 7019, 9481, 9980, 14038, 18962, 28076, 35095, 37924, 47405, 70190, 94810, 133361, 140380, 189620, 266722, 533444, 666805, 1333610, 2667220, 3502481, 7004962, 14009924, 17512405, 35024810, 66547139, 70049620, 133094278, 266188556, 332735695, 665471390, 1330942780]

約数ペア:

[(1, 1330942780), (2, 665471390), (4, 332735695), (5, 266188556), (10, 133094278), (19, 70049620), (20, 66547139), (38, 35024810), (76, 17512405), (95, 14009924), (190, 7004962), (380, 3502481), (499, 2667220), (998, 1333610), (1996, 666805), (2495, 533444), (4990, 266722), (7019, 189620), (9481, 140380), (9980, 133361), (14038, 94810), (18962, 70190), (28076, 47405), (35095, 37924)]