207644840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2069}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 505990800

約数和(自身を除く): 298345960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 772, 965, 1544, 1930, 2069, 2509, 3860, 4138, 5018, 7720, 8276, 10036, 10345, 12545, 16552, 20072, 20690, 25090, 26897, 41380, 50180, 53794, 82760, 100360, 107588, 134485, 215176, 268970, 399317, 537940, 798634, 1075880, 1597268, 1996585, 3194536, 3993170, 5191121, 7986340, 10382242, 15972680, 20764484, 25955605, 41528968, 51911210, 103822420, 207644840]

約数ペア:

[(1, 207644840), (2, 103822420), (4, 51911210), (5, 41528968), (8, 25955605), (10, 20764484), (13, 15972680), (20, 10382242), (26, 7986340), (40, 5191121), (52, 3993170), (65, 3194536), (104, 1996585), (130, 1597268), (193, 1075880), (260, 798634), (386, 537940), (520, 399317), (772, 268970), (965, 215176), (1544, 134485), (1930, 107588), (2069, 100360), (2509, 82760), (3860, 53794), (4138, 50180), (5018, 41380), (7720, 26897), (8276, 25090), (10036, 20690), (10345, 20072), (12545, 16552)]