74970640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 180559872

約数和(自身を除く): 105589232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 127, 157, 188, 235, 254, 314, 376, 470, 508, 628, 635, 752, 785, 940, 1016, 1256, 1270, 1570, 1880, 2032, 2512, 2540, 3140, 3760, 5080, 5969, 6280, 7379, 10160, 11938, 12560, 14758, 19939, 23876, 29516, 29845, 36895, 39878, 47752, 59032, 59690, 73790, 79756, 95504, 99695, 118064, 119380, 147580, 159512, 199390, 238760, 295160, 319024, 398780, 477520, 590320, 797560, 937133, 1595120, 1874266, 3748532, 4685665, 7497064, 9371330, 14994128, 18742660, 37485320, 74970640]

約数ペア:

[(1, 74970640), (2, 37485320), (4, 18742660), (5, 14994128), (8, 9371330), (10, 7497064), (16, 4685665), (20, 3748532), (40, 1874266), (47, 1595120), (80, 937133), (94, 797560), (127, 590320), (157, 477520), (188, 398780), (235, 319024), (254, 295160), (314, 238760), (376, 199390), (470, 159512), (508, 147580), (628, 119380), (635, 118064), (752, 99695), (785, 95504), (940, 79756), (1016, 73790), (1256, 59690), (1270, 59032), (1570, 47752), (1880, 39878), (2032, 36895), (2512, 29845), (2540, 29516), (3140, 23876), (3760, 19939), (5080, 14758), (5969, 12560), (6280, 11938), (7379, 10160)]