28367040820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{3187}}^1$

素因数の和:3817

約数の個数: 96

約数和(自身を含む): 64552868352

約数和(自身を除く): 36185827532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 557, 799, 940, 1114, 1598, 2228, 2785, 3187, 3196, 3995, 5570, 6374, 7990, 9469, 11140, 12748, 15935, 15980, 18938, 26179, 31870, 37876, 47345, 52358, 54179, 63740, 94690, 104716, 108358, 130895, 149789, 189380, 216716, 261790, 270895, 299578, 445043, 523580, 541790, 599156, 748945, 890086, 1083580, 1497890, 1775159, 1780172, 2225215, 2546413, 2995780, 3550318, 4450430, 5092826, 7100636, 8875795, 8900860, 10185652, 12732065, 17751590, 25464130, 30177703, 35503180, 50928260, 60355406, 83432473, 120710812, 150888515, 166864946, 301777030, 333729892, 417162365, 603554060, 834324730, 1418352041, 1668649460, 2836704082, 5673408164, 7091760205, 14183520410, 28367040820]

約数ペア:

[(1, 28367040820), (2, 14183520410), (4, 7091760205), (5, 5673408164), (10, 2836704082), (17, 1668649460), (20, 1418352041), (34, 834324730), (47, 603554060), (68, 417162365), (85, 333729892), (94, 301777030), (170, 166864946), (188, 150888515), (235, 120710812), (340, 83432473), (470, 60355406), (557, 50928260), (799, 35503180), (940, 30177703), (1114, 25464130), (1598, 17751590), (2228, 12732065), (2785, 10185652), (3187, 8900860), (3196, 8875795), (3995, 7100636), (5570, 5092826), (6374, 4450430), (7990, 3550318), (9469, 2995780), (11140, 2546413), (12748, 2225215), (15935, 1780172), (15980, 1775159), (18938, 1497890), (26179, 1083580), (31870, 890086), (37876, 748945), (47345, 599156), (52358, 541790), (54179, 523580), (63740, 445043), (94690, 299578), (104716, 270895), (108358, 261790), (130895, 216716), (149789, 189380)]