90665900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 214361280

約数和(自身を除く): 123695380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 650, 719, 970, 1261, 1300, 1438, 1940, 2425, 2522, 2876, 3595, 4850, 5044, 6305, 7190, 9347, 9700, 12610, 14380, 17975, 18694, 25220, 31525, 35950, 37388, 46735, 63050, 69743, 71900, 93470, 126100, 139486, 186940, 233675, 278972, 348715, 467350, 697430, 906659, 934700, 1394860, 1743575, 1813318, 3487150, 3626636, 4533295, 6974300, 9066590, 18133180, 22666475, 45332950, 90665900]

約数ペア:

[(1, 90665900), (2, 45332950), (4, 22666475), (5, 18133180), (10, 9066590), (13, 6974300), (20, 4533295), (25, 3626636), (26, 3487150), (50, 1813318), (52, 1743575), (65, 1394860), (97, 934700), (100, 906659), (130, 697430), (194, 467350), (260, 348715), (325, 278972), (388, 233675), (485, 186940), (650, 139486), (719, 126100), (970, 93470), (1261, 71900), (1300, 69743), (1438, 63050), (1940, 46735), (2425, 37388), (2522, 35950), (2876, 31525), (3595, 25220), (4850, 18694), (5044, 17975), (6305, 14380), (7190, 12610), (9347, 9700)]