85213240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1123}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 220124160

約数和(自身を除く): 134910920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1123, 1355, 1897, 2168, 2246, 2710, 3794, 4492, 5420, 5615, 7588, 7861, 8984, 9485, 10840, 11230, 15176, 15722, 18970, 22460, 31444, 37940, 39305, 44920, 62888, 75880, 78610, 157220, 304333, 314440, 608666, 1217332, 1521665, 2130331, 2434664, 3043330, 4260662, 6086660, 8521324, 10651655, 12173320, 17042648, 21303310, 42606620, 85213240]

約数ペア:

[(1, 85213240), (2, 42606620), (4, 21303310), (5, 17042648), (7, 12173320), (8, 10651655), (10, 8521324), (14, 6086660), (20, 4260662), (28, 3043330), (35, 2434664), (40, 2130331), (56, 1521665), (70, 1217332), (140, 608666), (271, 314440), (280, 304333), (542, 157220), (1084, 78610), (1123, 75880), (1355, 62888), (1897, 44920), (2168, 39305), (2246, 37940), (2710, 31444), (3794, 22460), (4492, 18970), (5420, 15722), (5615, 15176), (7588, 11230), (7861, 10840), (8984, 9485)]