489628880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15187}}^1$

素因数の和:15244

約数の個数: 80

約数和(自身を含む): 1265585664

約数和(自身を除く): 775956784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 15187, 16120, 30374, 32240, 60748, 75935, 121496, 151870, 197431, 242992, 303740, 394862, 470797, 607480, 789724, 941594, 987155, 1214960, 1579448, 1883188, 1974310, 2353985, 3158896, 3766376, 3948620, 4707970, 6120361, 7532752, 7897240, 9415940, 12240722, 15794480, 18831880, 24481444, 30601805, 37663760, 48962888, 61203610, 97925776, 122407220, 244814440, 489628880]

約数ペア:

[(1, 489628880), (2, 244814440), (4, 122407220), (5, 97925776), (8, 61203610), (10, 48962888), (13, 37663760), (16, 30601805), (20, 24481444), (26, 18831880), (31, 15794480), (40, 12240722), (52, 9415940), (62, 7897240), (65, 7532752), (80, 6120361), (104, 4707970), (124, 3948620), (130, 3766376), (155, 3158896), (208, 2353985), (248, 1974310), (260, 1883188), (310, 1579448), (403, 1214960), (496, 987155), (520, 941594), (620, 789724), (806, 607480), (1040, 470797), (1240, 394862), (1612, 303740), (2015, 242992), (2480, 197431), (3224, 151870), (4030, 121496), (6448, 75935), (8060, 60748), (15187, 32240), (16120, 30374)]