215510620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5563}}^1$

素因数の和:5734

約数の個数: 48

約数和(自身を含む): 490744800

約数和(自身を除く): 275234180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 5563, 7748, 9685, 11126, 19370, 22252, 27815, 38740, 55630, 72319, 111260, 144638, 289276, 361595, 723190, 828887, 1446380, 1657774, 3315548, 4144435, 8288870, 10775531, 16577740, 21551062, 43102124, 53877655, 107755310, 215510620]

約数ペア:

[(1, 215510620), (2, 107755310), (4, 53877655), (5, 43102124), (10, 21551062), (13, 16577740), (20, 10775531), (26, 8288870), (52, 4144435), (65, 3315548), (130, 1657774), (149, 1446380), (260, 828887), (298, 723190), (596, 361595), (745, 289276), (1490, 144638), (1937, 111260), (2980, 72319), (3874, 55630), (5563, 38740), (7748, 27815), (9685, 22252), (11126, 19370)]