19572100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 46637640

約数和(自身を除く): 27065540

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 50, 58, 68, 85, 100, 116, 145, 170, 290, 340, 397, 425, 493, 580, 725, 794, 850, 986, 1450, 1588, 1700, 1972, 1985, 2465, 2900, 3970, 4930, 6749, 7940, 9860, 9925, 11513, 12325, 13498, 19850, 23026, 24650, 26996, 33745, 39700, 46052, 49300, 57565, 67490, 115130, 134980, 168725, 195721, 230260, 287825, 337450, 391442, 575650, 674900, 782884, 978605, 1151300, 1957210, 3914420, 4893025, 9786050, 19572100]

約数ペア:

[(1, 19572100), (2, 9786050), (4, 4893025), (5, 3914420), (10, 1957210), (17, 1151300), (20, 978605), (25, 782884), (29, 674900), (34, 575650), (50, 391442), (58, 337450), (68, 287825), (85, 230260), (100, 195721), (116, 168725), (145, 134980), (170, 115130), (290, 67490), (340, 57565), (397, 49300), (425, 46052), (493, 39700), (580, 33745), (725, 26996), (794, 24650), (850, 23026), (986, 19850), (1450, 13498), (1588, 12325), (1700, 11513), (1972, 9925), (1985, 9860), (2465, 7940), (2900, 6749), (3970, 4930)]