7426900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 18045720

約数和(自身を除く): 10618820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 197, 260, 290, 325, 377, 394, 580, 650, 725, 754, 788, 985, 1300, 1450, 1508, 1885, 1970, 2561, 2900, 3770, 3940, 4925, 5122, 5713, 7540, 9425, 9850, 10244, 11426, 12805, 18850, 19700, 22852, 25610, 28565, 37700, 51220, 57130, 64025, 74269, 114260, 128050, 142825, 148538, 256100, 285650, 297076, 371345, 571300, 742690, 1485380, 1856725, 3713450, 7426900]

約数ペア:

[(1, 7426900), (2, 3713450), (4, 1856725), (5, 1485380), (10, 742690), (13, 571300), (20, 371345), (25, 297076), (26, 285650), (29, 256100), (50, 148538), (52, 142825), (58, 128050), (65, 114260), (100, 74269), (116, 64025), (130, 57130), (145, 51220), (197, 37700), (260, 28565), (290, 25610), (325, 22852), (377, 19700), (394, 18850), (580, 12805), (650, 11426), (725, 10244), (754, 9850), (788, 9425), (985, 7540), (1300, 5713), (1450, 5122), (1508, 4925), (1885, 3940), (1970, 3770), (2561, 2900)]