346319220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443999}}^1$

素因数の和:444024

約数の個数: 48

約数和(自身を含む): 1044288000

約数和(自身を除く): 697968780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 443999, 887998, 1331997, 1775996, 2219995, 2663994, 4439990, 5327988, 5771987, 6659985, 8879980, 11543974, 13319970, 17315961, 23087948, 26639940, 28859935, 34631922, 57719870, 69263844, 86579805, 115439740, 173159610, 346319220]

約数ペア:

[(1, 346319220), (2, 173159610), (3, 115439740), (4, 86579805), (5, 69263844), (6, 57719870), (10, 34631922), (12, 28859935), (13, 26639940), (15, 23087948), (20, 17315961), (26, 13319970), (30, 11543974), (39, 8879980), (52, 6659985), (60, 5771987), (65, 5327988), (78, 4439990), (130, 2663994), (156, 2219995), (195, 1775996), (260, 1331997), (390, 887998), (780, 443999)]