16982840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 27115720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 463, 524, 655, 917, 926, 1048, 1310, 1834, 1852, 2315, 2620, 3241, 3668, 3704, 4585, 4630, 5240, 6482, 7336, 9170, 9260, 12964, 16205, 18340, 18520, 25928, 32410, 36680, 60653, 64820, 121306, 129640, 242612, 303265, 424571, 485224, 606530, 849142, 1213060, 1698284, 2122855, 2426120, 3396568, 4245710, 8491420, 16982840]

約数ペア:

[(1, 16982840), (2, 8491420), (4, 4245710), (5, 3396568), (7, 2426120), (8, 2122855), (10, 1698284), (14, 1213060), (20, 849142), (28, 606530), (35, 485224), (40, 424571), (56, 303265), (70, 242612), (131, 129640), (140, 121306), (262, 64820), (280, 60653), (463, 36680), (524, 32410), (655, 25928), (917, 18520), (926, 18340), (1048, 16205), (1310, 12964), (1834, 9260), (1852, 9170), (2315, 7336), (2620, 6482), (3241, 5240), (3668, 4630), (3704, 4585)]