1310789950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{1229}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 2479060080

約数和(自身を除く): 1168270130

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 257, 415, 514, 830, 1229, 1285, 2075, 2458, 2570, 4150, 6145, 6425, 12290, 12850, 21331, 30725, 42662, 61450, 102007, 106655, 204014, 213310, 315853, 510035, 533275, 631706, 1020070, 1066550, 1579265, 2550175, 3158530, 5100350, 7896325, 15792650, 26215799, 52431598, 131078995, 262157990, 655394975, 1310789950]

約数ペア:

[(1, 1310789950), (2, 655394975), (5, 262157990), (10, 131078995), (25, 52431598), (50, 26215799), (83, 15792650), (166, 7896325), (257, 5100350), (415, 3158530), (514, 2550175), (830, 1579265), (1229, 1066550), (1285, 1020070), (2075, 631706), (2458, 533275), (2570, 510035), (4150, 315853), (6145, 213310), (6425, 204014), (12290, 106655), (12850, 102007), (21331, 61450), (30725, 42662)]