2940520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 7439040

約数和(自身を除く): 4498520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 163, 164, 205, 220, 326, 328, 410, 440, 451, 652, 815, 820, 902, 1304, 1630, 1640, 1793, 1804, 2255, 3260, 3586, 3608, 4510, 6520, 6683, 7172, 8965, 9020, 13366, 14344, 17930, 18040, 26732, 33415, 35860, 53464, 66830, 71720, 73513, 133660, 147026, 267320, 294052, 367565, 588104, 735130, 1470260, 2940520]

約数ペア:

[(1, 2940520), (2, 1470260), (4, 735130), (5, 588104), (8, 367565), (10, 294052), (11, 267320), (20, 147026), (22, 133660), (40, 73513), (41, 71720), (44, 66830), (55, 53464), (82, 35860), (88, 33415), (110, 26732), (163, 18040), (164, 17930), (205, 14344), (220, 13366), (326, 9020), (328, 8965), (410, 7172), (440, 6683), (451, 6520), (652, 4510), (815, 3608), (820, 3586), (902, 3260), (1304, 2255), (1630, 1804), (1640, 1793)]