72788900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 170989056

約数和(自身を除く): 98200156

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 340, 425, 470, 799, 850, 911, 940, 1175, 1598, 1700, 1822, 2350, 3196, 3644, 3995, 4555, 4700, 7990, 9110, 15487, 15980, 18220, 19975, 22775, 30974, 39950, 42817, 45550, 61948, 77435, 79900, 85634, 91100, 154870, 171268, 214085, 309740, 387175, 428170, 727889, 774350, 856340, 1070425, 1455778, 1548700, 2140850, 2911556, 3639445, 4281700, 7278890, 14557780, 18197225, 36394450, 72788900]

約数ペア:

[(1, 72788900), (2, 36394450), (4, 18197225), (5, 14557780), (10, 7278890), (17, 4281700), (20, 3639445), (25, 2911556), (34, 2140850), (47, 1548700), (50, 1455778), (68, 1070425), (85, 856340), (94, 774350), (100, 727889), (170, 428170), (188, 387175), (235, 309740), (340, 214085), (425, 171268), (470, 154870), (799, 91100), (850, 85634), (911, 79900), (940, 77435), (1175, 61948), (1598, 45550), (1700, 42817), (1822, 39950), (2350, 30974), (3196, 22775), (3644, 19975), (3995, 18220), (4555, 15980), (4700, 15487), (7990, 9110)]