287121900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 144

約数和(自身を含む): 906441984

約数和(自身を除く): 619320084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 83, 100, 130, 150, 156, 166, 195, 249, 260, 300, 325, 332, 390, 415, 498, 650, 780, 830, 887, 975, 996, 1079, 1245, 1300, 1660, 1774, 1950, 2075, 2158, 2490, 2661, 3237, 3548, 3900, 4150, 4316, 4435, 4980, 5322, 5395, 6225, 6474, 8300, 8870, 10644, 10790, 11531, 12450, 12948, 13305, 16185, 17740, 21580, 22175, 23062, 24900, 26610, 26975, 32370, 34593, 44350, 46124, 53220, 53950, 57655, 64740, 66525, 69186, 73621, 80925, 88700, 107900, 115310, 133050, 138372, 147242, 161850, 172965, 220863, 230620, 266100, 288275, 294484, 323700, 345930, 368105, 441726, 576550, 691860, 736210, 864825, 883452, 957073, 1104315, 1153100, 1472420, 1729650, 1840525, 1914146, 2208630, 2871219, 3459300, 3681050, 3828292, 4417260, 4785365, 5521575, 5742438, 7362100, 9570730, 11043150, 11484876, 14356095, 19141460, 22086300, 23926825, 28712190, 47853650, 57424380, 71780475, 95707300, 143560950, 287121900]

約数ペア:

[(1, 287121900), (2, 143560950), (3, 95707300), (4, 71780475), (5, 57424380), (6, 47853650), (10, 28712190), (12, 23926825), (13, 22086300), (15, 19141460), (20, 14356095), (25, 11484876), (26, 11043150), (30, 9570730), (39, 7362100), (50, 5742438), (52, 5521575), (60, 4785365), (65, 4417260), (75, 3828292), (78, 3681050), (83, 3459300), (100, 2871219), (130, 2208630), (150, 1914146), (156, 1840525), (166, 1729650), (195, 1472420), (249, 1153100), (260, 1104315), (300, 957073), (325, 883452), (332, 864825), (390, 736210), (415, 691860), (498, 576550), (650, 441726), (780, 368105), (830, 345930), (887, 323700), (975, 294484), (996, 288275), (1079, 266100), (1245, 230620), (1300, 220863), (1660, 172965), (1774, 161850), (1950, 147242), (2075, 138372), (2158, 133050), (2490, 115310), (2661, 107900), (3237, 88700), (3548, 80925), (3900, 73621), (4150, 69186), (4316, 66525), (4435, 64740), (4980, 57655), (5322, 53950), (5395, 53220), (6225, 46124), (6474, 44350), (8300, 34593), (8870, 32370), (10644, 26975), (10790, 26610), (11531, 24900), (12450, 23062), (12948, 22175), (13305, 21580), (16185, 17740)]