74784430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4157}}^1$

素因数の和:4428

約数の個数: 32

約数和(自身を含む): 154478016

約数和(自身を除く): 79693586

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 4157, 8314, 8995, 17990, 20785, 29099, 41570, 58198, 145495, 290990, 1068349, 2136698, 5341745, 7478443, 10683490, 14956886, 37392215, 74784430]

約数ペア:

[(1, 74784430), (2, 37392215), (5, 14956886), (7, 10683490), (10, 7478443), (14, 5341745), (35, 2136698), (70, 1068349), (257, 290990), (514, 145495), (1285, 58198), (1799, 41570), (2570, 29099), (3598, 20785), (4157, 17990), (8314, 8995)]