2018683625

素因数分解:

$5^3\times 7^3\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 2965248000

約数和(自身を除く): 946564375

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 197, 239, 245, 343, 875, 985, 1195, 1225, 1379, 1673, 1715, 4925, 5975, 6125, 6895, 8365, 8575, 9653, 11711, 24625, 29875, 34475, 41825, 42875, 47083, 48265, 58555, 67571, 81977, 172375, 209125, 235415, 241325, 292775, 329581, 337855, 409885, 1177075, 1206625, 1463875, 1647905, 1689275, 2049425, 2307067, 5885375, 8239525, 8446375, 10247125, 11535335, 16149469, 41197625, 57676675, 80747345, 288383375, 403736725, 2018683625]

約数ペア:

[(1, 2018683625), (5, 403736725), (7, 288383375), (25, 80747345), (35, 57676675), (49, 41197625), (125, 16149469), (175, 11535335), (197, 10247125), (239, 8446375), (245, 8239525), (343, 5885375), (875, 2307067), (985, 2049425), (1195, 1689275), (1225, 1647905), (1379, 1463875), (1673, 1206625), (1715, 1177075), (4925, 409885), (5975, 337855), (6125, 329581), (6895, 292775), (8365, 241325), (8575, 235415), (9653, 209125), (11711, 172375), (24625, 81977), (29875, 67571), (34475, 58555), (41825, 48265), (42875, 47083)]