78600775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 120599424

約数和(自身を除く): 41998649

約数列:

[1, 5, 11, 17, 23, 25, 43, 55, 85, 115, 187, 215, 253, 275, 289, 391, 425, 473, 575, 731, 935, 989, 1075, 1265, 1445, 1955, 2365, 3179, 3655, 4301, 4675, 4945, 6325, 6647, 7225, 8041, 9775, 10879, 11825, 12427, 15895, 16813, 18275, 21505, 24725, 33235, 40205, 54395, 62135, 73117, 79475, 84065, 107525, 136697, 166175, 184943, 201025, 271975, 285821, 310675, 365585, 420325, 683485, 924715, 1429105, 1827925, 3144031, 3417425, 4623575, 7145525, 15720155, 78600775]

約数ペア:

[(1, 78600775), (5, 15720155), (11, 7145525), (17, 4623575), (23, 3417425), (25, 3144031), (43, 1827925), (55, 1429105), (85, 924715), (115, 683485), (187, 420325), (215, 365585), (253, 310675), (275, 285821), (289, 271975), (391, 201025), (425, 184943), (473, 166175), (575, 136697), (731, 107525), (935, 84065), (989, 79475), (1075, 73117), (1265, 62135), (1445, 54395), (1955, 40205), (2365, 33235), (3179, 24725), (3655, 21505), (4301, 18275), (4675, 16813), (4945, 15895), (6325, 12427), (6647, 11825), (7225, 10879), (8041, 9775)]