409741880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5417}}^1$

素因数の和:5520

約数の個数: 64

約数和(自身を含む): 967438080

約数和(自身を除く): 557696200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 5417, 7564, 9455, 10834, 15128, 18910, 21668, 27085, 37820, 43336, 54170, 75640, 108340, 167927, 216680, 330437, 335854, 660874, 671708, 839635, 1321748, 1343416, 1652185, 1679270, 2643496, 3304370, 3358540, 6608740, 6717080, 10243547, 13217480, 20487094, 40974188, 51217735, 81948376, 102435470, 204870940, 409741880]

約数ペア:

[(1, 409741880), (2, 204870940), (4, 102435470), (5, 81948376), (8, 51217735), (10, 40974188), (20, 20487094), (31, 13217480), (40, 10243547), (61, 6717080), (62, 6608740), (122, 3358540), (124, 3304370), (155, 2643496), (244, 1679270), (248, 1652185), (305, 1343416), (310, 1321748), (488, 839635), (610, 671708), (620, 660874), (1220, 335854), (1240, 330437), (1891, 216680), (2440, 167927), (3782, 108340), (5417, 75640), (7564, 54170), (9455, 43336), (10834, 37820), (15128, 27085), (18910, 21668)]