1279774450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:884

約数の個数: 96

約数和(自身を含む): 2681078400

約数和(自身を除く): 1401303950

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 109, 170, 190, 218, 323, 425, 475, 545, 646, 727, 850, 950, 1090, 1454, 1615, 1853, 2071, 2725, 3230, 3635, 3706, 4142, 5450, 7270, 8075, 9265, 10355, 12359, 13813, 16150, 18175, 18530, 20710, 24718, 27626, 35207, 36350, 46325, 51775, 61795, 69065, 70414, 79243, 92650, 103550, 123590, 138130, 158486, 176035, 234821, 308975, 345325, 352070, 396215, 469642, 617950, 690650, 792430, 880175, 1174105, 1347131, 1505617, 1760350, 1981075, 2348210, 2694262, 3011234, 3962150, 5870525, 6735655, 7528085, 11741050, 13471310, 15056170, 25595489, 33678275, 37640425, 51190978, 67356550, 75280850, 127977445, 255954890, 639887225, 1279774450]

約数ペア:

[(1, 1279774450), (2, 639887225), (5, 255954890), (10, 127977445), (17, 75280850), (19, 67356550), (25, 51190978), (34, 37640425), (38, 33678275), (50, 25595489), (85, 15056170), (95, 13471310), (109, 11741050), (170, 7528085), (190, 6735655), (218, 5870525), (323, 3962150), (425, 3011234), (475, 2694262), (545, 2348210), (646, 1981075), (727, 1760350), (850, 1505617), (950, 1347131), (1090, 1174105), (1454, 880175), (1615, 792430), (1853, 690650), (2071, 617950), (2725, 469642), (3230, 396215), (3635, 352070), (3706, 345325), (4142, 308975), (5450, 234821), (7270, 176035), (8075, 158486), (9265, 138130), (10355, 123590), (12359, 103550), (13813, 92650), (16150, 79243), (18175, 70414), (18530, 69065), (20710, 61795), (24718, 51775), (27626, 46325), (35207, 36350)]