15662900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 38435040

約数和(自身を除く): 22772140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 491, 550, 580, 638, 725, 982, 1100, 1276, 1450, 1595, 1964, 2455, 2900, 3190, 4910, 5401, 6380, 7975, 9820, 10802, 12275, 14239, 15950, 21604, 24550, 27005, 28478, 31900, 49100, 54010, 56956, 71195, 108020, 135025, 142390, 156629, 270050, 284780, 313258, 355975, 540100, 626516, 711950, 783145, 1423900, 1566290, 3132580, 3915725, 7831450, 15662900]

約数ペア:

[(1, 15662900), (2, 7831450), (4, 3915725), (5, 3132580), (10, 1566290), (11, 1423900), (20, 783145), (22, 711950), (25, 626516), (29, 540100), (44, 355975), (50, 313258), (55, 284780), (58, 270050), (100, 156629), (110, 142390), (116, 135025), (145, 108020), (220, 71195), (275, 56956), (290, 54010), (319, 49100), (491, 31900), (550, 28478), (580, 27005), (638, 24550), (725, 21604), (982, 15950), (1100, 14239), (1276, 12275), (1450, 10802), (1595, 9820), (1964, 7975), (2455, 6380), (2900, 5401), (3190, 4910)]