29987740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 65772000

約数和(自身を除く): 35784260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 347, 580, 596, 694, 745, 1388, 1490, 1735, 2980, 3470, 4321, 6940, 8642, 10063, 17284, 20126, 21605, 40252, 43210, 50315, 51703, 86420, 100630, 103406, 201260, 206812, 258515, 517030, 1034060, 1499387, 2998774, 5997548, 7496935, 14993870, 29987740]

約数ペア:

[(1, 29987740), (2, 14993870), (4, 7496935), (5, 5997548), (10, 2998774), (20, 1499387), (29, 1034060), (58, 517030), (116, 258515), (145, 206812), (149, 201260), (290, 103406), (298, 100630), (347, 86420), (580, 51703), (596, 50315), (694, 43210), (745, 40252), (1388, 21605), (1490, 20126), (1735, 17284), (2980, 10063), (3470, 8642), (4321, 6940)]