85972400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 224182080

約数和(自身を除く): 138209680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 47, 50, 68, 80, 85, 94, 100, 136, 170, 188, 200, 235, 269, 272, 340, 376, 400, 425, 470, 538, 680, 752, 799, 850, 940, 1076, 1175, 1345, 1360, 1598, 1700, 1880, 2152, 2350, 2690, 3196, 3400, 3760, 3995, 4304, 4573, 4700, 5380, 6392, 6725, 6800, 7990, 9146, 9400, 10760, 12643, 12784, 13450, 15980, 18292, 18800, 19975, 21520, 22865, 25286, 26900, 31960, 36584, 39950, 45730, 50572, 53800, 63215, 63920, 73168, 79900, 91460, 101144, 107600, 114325, 126430, 159800, 182920, 202288, 214931, 228650, 252860, 316075, 319600, 365840, 429862, 457300, 505720, 632150, 859724, 914600, 1011440, 1074655, 1264300, 1719448, 1829200, 2149310, 2528600, 3438896, 4298620, 5057200, 5373275, 8597240, 10746550, 17194480, 21493100, 42986200, 85972400]

約数ペア:

[(1, 85972400), (2, 42986200), (4, 21493100), (5, 17194480), (8, 10746550), (10, 8597240), (16, 5373275), (17, 5057200), (20, 4298620), (25, 3438896), (34, 2528600), (40, 2149310), (47, 1829200), (50, 1719448), (68, 1264300), (80, 1074655), (85, 1011440), (94, 914600), (100, 859724), (136, 632150), (170, 505720), (188, 457300), (200, 429862), (235, 365840), (269, 319600), (272, 316075), (340, 252860), (376, 228650), (400, 214931), (425, 202288), (470, 182920), (538, 159800), (680, 126430), (752, 114325), (799, 107600), (850, 101144), (940, 91460), (1076, 79900), (1175, 73168), (1345, 63920), (1360, 63215), (1598, 53800), (1700, 50572), (1880, 45730), (2152, 39950), (2350, 36584), (2690, 31960), (3196, 26900), (3400, 25286), (3760, 22865), (3995, 21520), (4304, 19975), (4573, 18800), (4700, 18292), (5380, 15980), (6392, 13450), (6725, 12784), (6800, 12643), (7990, 10760), (9146, 9400)]