16312940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1069}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 39547200

約数和(自身を除く): 23234260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1069, 1090, 1526, 2138, 2180, 3052, 3815, 4276, 5345, 7483, 7630, 10690, 14966, 15260, 21380, 29932, 37415, 74830, 116521, 149660, 233042, 466084, 582605, 815647, 1165210, 1631294, 2330420, 3262588, 4078235, 8156470, 16312940]

約数ペア:

[(1, 16312940), (2, 8156470), (4, 4078235), (5, 3262588), (7, 2330420), (10, 1631294), (14, 1165210), (20, 815647), (28, 582605), (35, 466084), (70, 233042), (109, 149660), (140, 116521), (218, 74830), (436, 37415), (545, 29932), (763, 21380), (1069, 15260), (1090, 14966), (1526, 10690), (2138, 7630), (2180, 7483), (3052, 5345), (3815, 4276)]