788920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 1963080

約数和(自身を除く): 1174160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 163, 220, 242, 326, 440, 484, 605, 652, 815, 968, 1210, 1304, 1630, 1793, 2420, 3260, 3586, 4840, 6520, 7172, 8965, 14344, 17930, 19723, 35860, 39446, 71720, 78892, 98615, 157784, 197230, 394460, 788920]

約数ペア:

[(1, 788920), (2, 394460), (4, 197230), (5, 157784), (8, 98615), (10, 78892), (11, 71720), (20, 39446), (22, 35860), (40, 19723), (44, 17930), (55, 14344), (88, 8965), (110, 7172), (121, 6520), (163, 4840), (220, 3586), (242, 3260), (326, 2420), (440, 1793), (484, 1630), (605, 1304), (652, 1210), (815, 968)]