140103904

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 285039216

約数和(自身を除く): 144935312

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 241, 296, 482, 491, 592, 964, 982, 1184, 1928, 1964, 3856, 3928, 7712, 7856, 8917, 15712, 17834, 18167, 35668, 36334, 71336, 72668, 118331, 142672, 145336, 236662, 285344, 290672, 473324, 581344, 946648, 1893296, 3786592, 4378247, 8756494, 17512988, 35025976, 70051952, 140103904]

約数ペア:

[(1, 140103904), (2, 70051952), (4, 35025976), (8, 17512988), (16, 8756494), (32, 4378247), (37, 3786592), (74, 1893296), (148, 946648), (241, 581344), (296, 473324), (482, 290672), (491, 285344), (592, 236662), (964, 145336), (982, 142672), (1184, 118331), (1928, 72668), (1964, 71336), (3856, 36334), (3928, 35668), (7712, 18167), (7856, 17834), (8917, 15712)]