27898620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{947}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 78357888

約数和(自身を除く): 50459268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 947, 982, 1473, 1894, 1964, 2455, 2841, 2946, 3788, 4735, 4910, 5682, 5892, 7365, 9470, 9820, 11364, 14205, 14730, 18940, 28410, 29460, 56820, 464977, 929954, 1394931, 1859908, 2324885, 2789862, 4649770, 5579724, 6974655, 9299540, 13949310, 27898620]

約数ペア:

[(1, 27898620), (2, 13949310), (3, 9299540), (4, 6974655), (5, 5579724), (6, 4649770), (10, 2789862), (12, 2324885), (15, 1859908), (20, 1394931), (30, 929954), (60, 464977), (491, 56820), (947, 29460), (982, 28410), (1473, 18940), (1894, 14730), (1964, 14205), (2455, 11364), (2841, 9820), (2946, 9470), (3788, 7365), (4735, 5892), (4910, 5682)]