48757978940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{5449}}^1$

素因数の和:6015

約数の個数: 96

約数和(自身を含む): 113223096000

約数和(自身を除く): 64465117060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 457, 890, 914, 979, 1780, 1828, 1958, 2285, 3916, 4570, 4895, 5027, 5449, 9140, 9790, 10054, 10898, 19580, 20108, 21796, 25135, 27245, 40673, 50270, 54490, 59939, 81346, 100540, 108980, 119878, 162692, 203365, 239756, 299695, 406730, 447403, 484961, 599390, 813460, 894806, 969922, 1198780, 1789612, 1939844, 2237015, 2424805, 2490193, 4474030, 4849610, 4980386, 5334571, 8948060, 9699220, 9960772, 10669142, 12450965, 21338284, 24901930, 26672855, 27392123, 49803860, 53345710, 54784246, 106691420, 109568492, 136960615, 221627177, 273921230, 443254354, 547842460, 886508708, 1108135885, 2216271770, 2437898947, 4432543540, 4875797894, 9751595788, 12189494735, 24378989470, 48757978940]

約数ペア:

[(1, 48757978940), (2, 24378989470), (4, 12189494735), (5, 9751595788), (10, 4875797894), (11, 4432543540), (20, 2437898947), (22, 2216271770), (44, 1108135885), (55, 886508708), (89, 547842460), (110, 443254354), (178, 273921230), (220, 221627177), (356, 136960615), (445, 109568492), (457, 106691420), (890, 54784246), (914, 53345710), (979, 49803860), (1780, 27392123), (1828, 26672855), (1958, 24901930), (2285, 21338284), (3916, 12450965), (4570, 10669142), (4895, 9960772), (5027, 9699220), (5449, 8948060), (9140, 5334571), (9790, 4980386), (10054, 4849610), (10898, 4474030), (19580, 2490193), (20108, 2424805), (21796, 2237015), (25135, 1939844), (27245, 1789612), (40673, 1198780), (50270, 969922), (54490, 894806), (59939, 813460), (81346, 599390), (100540, 484961), (108980, 447403), (119878, 406730), (162692, 299695), (203365, 239756)]