31444220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4070

約数の個数: 48

約数和(自身を含む): 72975168

約数和(自身を除く): 41530948

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 4021, 7820, 8042, 16084, 20105, 40210, 68357, 80420, 92483, 136714, 184966, 273428, 341785, 369932, 462415, 683570, 924830, 1367140, 1572211, 1849660, 3144422, 6288844, 7861055, 15722110, 31444220]

約数ペア:

[(1, 31444220), (2, 15722110), (4, 7861055), (5, 6288844), (10, 3144422), (17, 1849660), (20, 1572211), (23, 1367140), (34, 924830), (46, 683570), (68, 462415), (85, 369932), (92, 341785), (115, 273428), (170, 184966), (230, 136714), (340, 92483), (391, 80420), (460, 68357), (782, 40210), (1564, 20105), (1955, 16084), (3910, 8042), (4021, 7820)]