28039060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 44214380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 83, 95, 127, 133, 140, 166, 190, 254, 266, 332, 380, 415, 508, 532, 581, 635, 665, 830, 889, 1162, 1270, 1330, 1577, 1660, 1778, 2324, 2413, 2540, 2660, 2905, 3154, 3556, 4445, 4826, 5810, 6308, 7885, 8890, 9652, 10541, 11039, 11620, 12065, 15770, 16891, 17780, 21082, 22078, 24130, 31540, 33782, 42164, 44156, 48260, 52705, 55195, 67564, 73787, 84455, 105410, 110390, 147574, 168910, 200279, 210820, 220780, 295148, 337820, 368935, 400558, 737870, 801116, 1001395, 1401953, 1475740, 2002790, 2803906, 4005580, 5607812, 7009765, 14019530, 28039060]

約数ペア:

[(1, 28039060), (2, 14019530), (4, 7009765), (5, 5607812), (7, 4005580), (10, 2803906), (14, 2002790), (19, 1475740), (20, 1401953), (28, 1001395), (35, 801116), (38, 737870), (70, 400558), (76, 368935), (83, 337820), (95, 295148), (127, 220780), (133, 210820), (140, 200279), (166, 168910), (190, 147574), (254, 110390), (266, 105410), (332, 84455), (380, 73787), (415, 67564), (508, 55195), (532, 52705), (581, 48260), (635, 44156), (665, 42164), (830, 33782), (889, 31540), (1162, 24130), (1270, 22078), (1330, 21082), (1577, 17780), (1660, 16891), (1778, 15770), (2324, 12065), (2413, 11620), (2540, 11039), (2660, 10541), (2905, 9652), (3154, 8890), (3556, 7885), (4445, 6308), (4826, 5810)]