289388620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{44797}}^1$

素因数の和:44842

約数の個数: 48

約数和(自身を含む): 677345760

約数和(自身を除く): 387957140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 44797, 89594, 179188, 223985, 447970, 761549, 851143, 895940, 1523098, 1702286, 3046196, 3404572, 3807745, 4255715, 7615490, 8511430, 14469431, 15230980, 17022860, 28938862, 57877724, 72347155, 144694310, 289388620]

約数ペア:

[(1, 289388620), (2, 144694310), (4, 72347155), (5, 57877724), (10, 28938862), (17, 17022860), (19, 15230980), (20, 14469431), (34, 8511430), (38, 7615490), (68, 4255715), (76, 3807745), (85, 3404572), (95, 3046196), (170, 1702286), (190, 1523098), (323, 895940), (340, 851143), (380, 761549), (646, 447970), (1292, 223985), (1615, 179188), (3230, 89594), (6460, 44797)]