31572940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 76507200

約数和(自身を除く): 44934260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2069, 2180, 3052, 3815, 4138, 7630, 8276, 10345, 14483, 15260, 20690, 28966, 41380, 57932, 72415, 144830, 225521, 289660, 451042, 902084, 1127605, 1578647, 2255210, 3157294, 4510420, 6314588, 7893235, 15786470, 31572940]

約数ペア:

[(1, 31572940), (2, 15786470), (4, 7893235), (5, 6314588), (7, 4510420), (10, 3157294), (14, 2255210), (20, 1578647), (28, 1127605), (35, 902084), (70, 451042), (109, 289660), (140, 225521), (218, 144830), (436, 72415), (545, 57932), (763, 41380), (1090, 28966), (1526, 20690), (2069, 15260), (2180, 14483), (3052, 10345), (3815, 8276), (4138, 7630)]