4092220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 10054800

約数和(自身を除く): 5962580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 121, 178, 190, 209, 220, 242, 356, 380, 418, 445, 484, 605, 836, 890, 979, 1045, 1210, 1691, 1780, 1958, 2090, 2299, 2420, 3382, 3916, 4180, 4598, 4895, 6764, 8455, 9196, 9790, 10769, 11495, 16910, 18601, 19580, 21538, 22990, 33820, 37202, 43076, 45980, 53845, 74404, 93005, 107690, 186010, 204611, 215380, 372020, 409222, 818444, 1023055, 2046110, 4092220]

約数ペア:

[(1, 4092220), (2, 2046110), (4, 1023055), (5, 818444), (10, 409222), (11, 372020), (19, 215380), (20, 204611), (22, 186010), (38, 107690), (44, 93005), (55, 74404), (76, 53845), (89, 45980), (95, 43076), (110, 37202), (121, 33820), (178, 22990), (190, 21538), (209, 19580), (220, 18601), (242, 16910), (356, 11495), (380, 10769), (418, 9790), (445, 9196), (484, 8455), (605, 6764), (836, 4895), (890, 4598), (979, 4180), (1045, 3916), (1210, 3382), (1691, 2420), (1780, 2299), (1958, 2090)]