16490740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 40247424

約数和(自身を除く): 23756684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1931, 2135, 3862, 4270, 7724, 8540, 9655, 13517, 19310, 27034, 38620, 54068, 67585, 117791, 135170, 235582, 270340, 471164, 588955, 824537, 1177910, 1649074, 2355820, 3298148, 4122685, 8245370, 16490740]

約数ペア:

[(1, 16490740), (2, 8245370), (4, 4122685), (5, 3298148), (7, 2355820), (10, 1649074), (14, 1177910), (20, 824537), (28, 588955), (35, 471164), (61, 270340), (70, 235582), (122, 135170), (140, 117791), (244, 67585), (305, 54068), (427, 38620), (610, 27034), (854, 19310), (1220, 13517), (1708, 9655), (1931, 8540), (2135, 7724), (3862, 4270)]