173159220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221999}}^1$

素因数の和:222024

約数の個数: 48

約数和(自身を含む): 522144000

約数和(自身を除く): 348984780

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, 221999, 443998, 665997, 887996, 1109995, 1331994, 2219990, 2663988, 2885987, 3329985, 4439980, 5771974, 6659970, 8657961, 11543948, 13319940, 14429935, 17315922, 28859870, 34631844, 43289805, 57719740, 86579610, 173159220]

約数ペア:

[(1, 173159220), (2, 86579610), (3, 57719740), (4, 43289805), (5, 34631844), (6, 28859870), (10, 17315922), (12, 14429935), (13, 13319940), (15, 11543948), (20, 8657961), (26, 6659970), (30, 5771974), (39, 4439980), (52, 3329985), (60, 2885987), (65, 2663988), (78, 2219990), (130, 1331994), (156, 1109995), (195, 887996), (260, 665997), (390, 443998), (780, 221999)]