207864940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10321}}^1$

素因数の和:10402

約数の個数: 48

約数和(自身を含む): 468205920

約数和(自身を除く): 260340980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 10321, 20140, 20642, 41284, 51605, 103210, 196099, 206420, 392198, 547013, 784396, 980495, 1094026, 1960990, 2188052, 2735065, 3921980, 5470130, 10393247, 10940260, 20786494, 41572988, 51966235, 103932470, 207864940]

約数ペア:

[(1, 207864940), (2, 103932470), (4, 51966235), (5, 41572988), (10, 20786494), (19, 10940260), (20, 10393247), (38, 5470130), (53, 3921980), (76, 2735065), (95, 2188052), (106, 1960990), (190, 1094026), (212, 980495), (265, 784396), (380, 547013), (530, 392198), (1007, 206420), (1060, 196099), (2014, 103210), (4028, 51605), (5035, 41284), (10070, 20642), (10321, 20140)]