130617020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 294436800

約数和(自身を除く): 163819780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 229, 316, 361, 380, 395, 458, 722, 790, 916, 1145, 1444, 1501, 1580, 1805, 2290, 3002, 3610, 4351, 4580, 6004, 7220, 7505, 8702, 15010, 17404, 18091, 21755, 28519, 30020, 36182, 43510, 57038, 72364, 82669, 87020, 90455, 114076, 142595, 165338, 180910, 285190, 330676, 343729, 361820, 413345, 570380, 687458, 826690, 1374916, 1653380, 1718645, 3437290, 6530851, 6874580, 13061702, 26123404, 32654255, 65308510, 130617020]

約数ペア:

[(1, 130617020), (2, 65308510), (4, 32654255), (5, 26123404), (10, 13061702), (19, 6874580), (20, 6530851), (38, 3437290), (76, 1718645), (79, 1653380), (95, 1374916), (158, 826690), (190, 687458), (229, 570380), (316, 413345), (361, 361820), (380, 343729), (395, 330676), (458, 285190), (722, 180910), (790, 165338), (916, 142595), (1145, 114076), (1444, 90455), (1501, 87020), (1580, 82669), (1805, 72364), (2290, 57038), (3002, 43510), (3610, 36182), (4351, 30020), (4580, 28519), (6004, 21755), (7220, 18091), (7505, 17404), (8702, 15010)]