1330299940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1\times {\mathrm{1487}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 2866316544

約数和(自身を除く): 1536016604

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1091, 1487, 2182, 2974, 4364, 5455, 5948, 7435, 10910, 14870, 21820, 29740, 44731, 60967, 89462, 121934, 178924, 223655, 243868, 304835, 447310, 609670, 894620, 1219340, 1622317, 3244634, 6489268, 8111585, 16223170, 32446340, 66514997, 133029994, 266059988, 332574985, 665149970, 1330299940]

約数ペア:

[(1, 1330299940), (2, 665149970), (4, 332574985), (5, 266059988), (10, 133029994), (20, 66514997), (41, 32446340), (82, 16223170), (164, 8111585), (205, 6489268), (410, 3244634), (820, 1622317), (1091, 1219340), (1487, 894620), (2182, 609670), (2974, 447310), (4364, 304835), (5455, 243868), (5948, 223655), (7435, 178924), (10910, 121934), (14870, 89462), (21820, 60967), (29740, 44731)]