217871660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{10861}}^1$

素因数の和:10946

約数の個数: 48

約数和(自身を含む): 492700320

約数和(自身を除く): 274828660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 5015, 10030, 10861, 20060, 21722, 43444, 54305, 108610, 184637, 217220, 369274, 640799, 738548, 923185, 1281598, 1846370, 2563196, 3203995, 3692740, 6407990, 10893583, 12815980, 21787166, 43574332, 54467915, 108935830, 217871660]

約数ペア:

[(1, 217871660), (2, 108935830), (4, 54467915), (5, 43574332), (10, 21787166), (17, 12815980), (20, 10893583), (34, 6407990), (59, 3692740), (68, 3203995), (85, 2563196), (118, 1846370), (170, 1281598), (236, 923185), (295, 738548), (340, 640799), (590, 369274), (1003, 217220), (1180, 184637), (2006, 108610), (4012, 54305), (5015, 43444), (10030, 21722), (10861, 20060)]