390353940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7829}}^1$

素因数の和:8121

約数の個数: 72

約数和(自身を含む): 1188500040

約数和(自身を除く): 798146100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 4155, 4986, 5540, 7829, 8310, 9972, 12465, 15658, 16620, 23487, 24930, 31316, 39145, 46974, 49860, 70461, 78290, 93948, 117435, 140922, 156580, 234870, 281844, 352305, 469740, 704610, 1409220, 2168633, 4337266, 6505899, 8674532, 10843165, 13011798, 19517697, 21686330, 26023596, 32529495, 39035394, 43372660, 65058990, 78070788, 97588485, 130117980, 195176970, 390353940]

約数ペア:

[(1, 390353940), (2, 195176970), (3, 130117980), (4, 97588485), (5, 78070788), (6, 65058990), (9, 43372660), (10, 39035394), (12, 32529495), (15, 26023596), (18, 21686330), (20, 19517697), (30, 13011798), (36, 10843165), (45, 8674532), (60, 6505899), (90, 4337266), (180, 2168633), (277, 1409220), (554, 704610), (831, 469740), (1108, 352305), (1385, 281844), (1662, 234870), (2493, 156580), (2770, 140922), (3324, 117435), (4155, 93948), (4986, 78290), (5540, 70461), (7829, 49860), (8310, 46974), (9972, 39145), (12465, 31316), (15658, 24930), (16620, 23487)]