725796680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{26723}}^1$

素因数の和:26838

約数の個数: 64

約数和(自身を含む): 1885645440

約数和(自身を除く): 1159848760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 13580, 26723, 27160, 53446, 106892, 133615, 187061, 213784, 267230, 374122, 534460, 748244, 935305, 1068920, 1496488, 1870610, 2592131, 3741220, 5184262, 7482440, 10368524, 12960655, 18144917, 20737048, 25921310, 36289834, 51842620, 72579668, 90724585, 103685240, 145159336, 181449170, 362898340, 725796680]

約数ペア:

[(1, 725796680), (2, 362898340), (4, 181449170), (5, 145159336), (7, 103685240), (8, 90724585), (10, 72579668), (14, 51842620), (20, 36289834), (28, 25921310), (35, 20737048), (40, 18144917), (56, 12960655), (70, 10368524), (97, 7482440), (140, 5184262), (194, 3741220), (280, 2592131), (388, 1870610), (485, 1496488), (679, 1068920), (776, 935305), (970, 748244), (1358, 534460), (1940, 374122), (2716, 267230), (3395, 213784), (3880, 187061), (5432, 133615), (6790, 106892), (13580, 53446), (26723, 27160)]