856552760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{38723}}^1$

素因数の和:38820

約数の個数: 64

約数和(自身を含む): 2230502400

約数和(自身を除く): 1373949640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 22120, 38723, 77446, 154892, 193615, 271061, 309784, 387230, 542122, 774460, 1084244, 1355305, 1548920, 2168488, 2710610, 3059117, 5421220, 6118234, 10842440, 12236468, 15295585, 21413819, 24472936, 30591170, 42827638, 61182340, 85655276, 107069095, 122364680, 171310552, 214138190, 428276380, 856552760]

約数ペア:

[(1, 856552760), (2, 428276380), (4, 214138190), (5, 171310552), (7, 122364680), (8, 107069095), (10, 85655276), (14, 61182340), (20, 42827638), (28, 30591170), (35, 24472936), (40, 21413819), (56, 15295585), (70, 12236468), (79, 10842440), (140, 6118234), (158, 5421220), (280, 3059117), (316, 2710610), (395, 2168488), (553, 1548920), (632, 1355305), (790, 1084244), (1106, 774460), (1580, 542122), (2212, 387230), (2765, 309784), (3160, 271061), (4424, 193615), (5530, 154892), (11060, 77446), (22120, 38723)]