201986480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 487897344

約数和(自身を除く): 285910864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 355, 430, 568, 688, 710, 827, 860, 1136, 1420, 1654, 1720, 2840, 3053, 3308, 3440, 4135, 5680, 6106, 6616, 8270, 12212, 13232, 15265, 16540, 24424, 30530, 33080, 35561, 48848, 58717, 61060, 66160, 71122, 117434, 122120, 142244, 177805, 234868, 244240, 284488, 293585, 355610, 469736, 568976, 587170, 711220, 939472, 1174340, 1422440, 2348680, 2524831, 2844880, 4697360, 5049662, 10099324, 12624155, 20198648, 25248310, 40397296, 50496620, 100993240, 201986480]

約数ペア:

[(1, 201986480), (2, 100993240), (4, 50496620), (5, 40397296), (8, 25248310), (10, 20198648), (16, 12624155), (20, 10099324), (40, 5049662), (43, 4697360), (71, 2844880), (80, 2524831), (86, 2348680), (142, 1422440), (172, 1174340), (215, 939472), (284, 711220), (344, 587170), (355, 568976), (430, 469736), (568, 355610), (688, 293585), (710, 284488), (827, 244240), (860, 234868), (1136, 177805), (1420, 142244), (1654, 122120), (1720, 117434), (2840, 71122), (3053, 66160), (3308, 61060), (3440, 58717), (4135, 48848), (5680, 35561), (6106, 33080), (6616, 30530), (8270, 24424), (12212, 16540), (13232, 15265)]