143440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 366048

約数和(自身を除く): 222608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1630, 1793, 2608, 3260, 3586, 6520, 7172, 8965, 13040, 14344, 17930, 28688, 35860, 71720, 143440]

約数ペア:

[(1, 143440), (2, 71720), (4, 35860), (5, 28688), (8, 17930), (10, 14344), (11, 13040), (16, 8965), (20, 7172), (22, 6520), (40, 3586), (44, 3260), (55, 2608), (80, 1793), (88, 1630), (110, 1304), (163, 880), (176, 815), (220, 652), (326, 440)]