2859340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 6731424

約数和(自身を除く): 3872084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 317, 410, 451, 634, 820, 902, 1268, 1585, 1804, 2255, 3170, 3487, 4510, 6340, 6974, 9020, 12997, 13948, 17435, 25994, 34870, 51988, 64985, 69740, 129970, 142967, 259940, 285934, 571868, 714835, 1429670, 2859340]

約数ペア:

[(1, 2859340), (2, 1429670), (4, 714835), (5, 571868), (10, 285934), (11, 259940), (20, 142967), (22, 129970), (41, 69740), (44, 64985), (55, 51988), (82, 34870), (110, 25994), (164, 17435), (205, 13948), (220, 12997), (317, 9020), (410, 6974), (451, 6340), (634, 4510), (820, 3487), (902, 3170), (1268, 2255), (1585, 1804)]