490976460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209819}}^1$

素因数の和:209847

約数の個数: 72

約数和(自身を含む): 1603864080

約数和(自身を除く): 1112887620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 209819, 419638, 629457, 839276, 1049095, 1258914, 1888371, 2098190, 2517828, 2727647, 3147285, 3776742, 4196380, 5455294, 6294570, 7553484, 8182941, 9441855, 10910588, 12589140, 13638235, 16365882, 18883710, 24548823, 27276470, 32731764, 37767420, 40914705, 49097646, 54552940, 81829410, 98195292, 122744115, 163658820, 245488230, 490976460]

約数ペア:

[(1, 490976460), (2, 245488230), (3, 163658820), (4, 122744115), (5, 98195292), (6, 81829410), (9, 54552940), (10, 49097646), (12, 40914705), (13, 37767420), (15, 32731764), (18, 27276470), (20, 24548823), (26, 18883710), (30, 16365882), (36, 13638235), (39, 12589140), (45, 10910588), (52, 9441855), (60, 8182941), (65, 7553484), (78, 6294570), (90, 5455294), (117, 4196380), (130, 3776742), (156, 3147285), (180, 2727647), (195, 2517828), (234, 2098190), (260, 1888371), (390, 1258914), (468, 1049095), (585, 839276), (780, 629457), (1170, 419638), (2340, 209819)]