31203025

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 46743040

約数和(自身を除く): 15540015

約数列:

[1, 5, 7, 25, 35, 37, 61, 79, 175, 185, 259, 305, 395, 427, 553, 925, 1295, 1525, 1975, 2135, 2257, 2765, 2923, 4819, 6475, 10675, 11285, 13825, 14615, 15799, 20461, 24095, 33733, 56425, 73075, 78995, 102305, 120475, 168665, 178303, 394975, 511525, 843325, 891515, 1248121, 4457575, 6240605, 31203025]

約数ペア:

[(1, 31203025), (5, 6240605), (7, 4457575), (25, 1248121), (35, 891515), (37, 843325), (61, 511525), (79, 394975), (175, 178303), (185, 168665), (259, 120475), (305, 102305), (395, 78995), (427, 73075), (553, 56425), (925, 33733), (1295, 24095), (1525, 20461), (1975, 15799), (2135, 14615), (2257, 13825), (2765, 11285), (2923, 10675), (4819, 6475)]