388679940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196303}}^1$

素因数の和:196329

約数の個数: 72

約数和(自身を含む): 1286183808

約数和(自身を除く): 897503868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 196303, 392606, 588909, 785212, 981515, 1177818, 1766727, 1963030, 2159333, 2355636, 2944545, 3533454, 3926060, 4318666, 5889090, 6477999, 7066908, 8637332, 8833635, 10796665, 11778180, 12955998, 17667270, 19433997, 21593330, 25911996, 32389995, 35334540, 38867994, 43186660, 64779990, 77735988, 97169985, 129559980, 194339970, 388679940]

約数ペア:

[(1, 388679940), (2, 194339970), (3, 129559980), (4, 97169985), (5, 77735988), (6, 64779990), (9, 43186660), (10, 38867994), (11, 35334540), (12, 32389995), (15, 25911996), (18, 21593330), (20, 19433997), (22, 17667270), (30, 12955998), (33, 11778180), (36, 10796665), (44, 8833635), (45, 8637332), (55, 7066908), (60, 6477999), (66, 5889090), (90, 4318666), (99, 3926060), (110, 3533454), (132, 2944545), (165, 2355636), (180, 2159333), (198, 1963030), (220, 1766727), (330, 1177818), (396, 981515), (495, 785212), (660, 588909), (990, 392606), (1980, 196303)]