275725720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21341}}^1$

素因数の和:21388

約数の個数: 64

約数和(自身を含む): 691480800

約数和(自身を除く): 415755080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 21341, 42682, 85364, 106705, 170728, 213410, 362797, 405479, 426820, 725594, 810958, 853640, 1451188, 1621916, 1813985, 2027395, 2902376, 3243832, 3627970, 4054790, 6893143, 7255940, 8109580, 13786286, 14511880, 16219160, 27572572, 34465715, 55145144, 68931430, 137862860, 275725720]

約数ペア:

[(1, 275725720), (2, 137862860), (4, 68931430), (5, 55145144), (8, 34465715), (10, 27572572), (17, 16219160), (19, 14511880), (20, 13786286), (34, 8109580), (38, 7255940), (40, 6893143), (68, 4054790), (76, 3627970), (85, 3243832), (95, 2902376), (136, 2027395), (152, 1813985), (170, 1621916), (190, 1451188), (323, 853640), (340, 810958), (380, 725594), (646, 426820), (680, 405479), (760, 362797), (1292, 213410), (1615, 170728), (2584, 106705), (3230, 85364), (6460, 42682), (12920, 21341)]