289081310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{16069}}^1$

素因数の和:16340

約数の個数: 32

約数和(自身を含む): 597032640

約数和(自身を除く): 307951330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 16069, 17990, 32138, 80345, 112483, 160690, 224966, 562415, 1124830, 4129733, 8259466, 20648665, 28908131, 41297330, 57816262, 144540655, 289081310]

約数ペア:

[(1, 289081310), (2, 144540655), (5, 57816262), (7, 41297330), (10, 28908131), (14, 20648665), (35, 8259466), (70, 4129733), (257, 1124830), (514, 562415), (1285, 224966), (1799, 160690), (2570, 112483), (3598, 80345), (8995, 32138), (16069, 17990)]