7389990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 19373328

約数和(自身を除く): 11983338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 523, 785, 942, 1046, 1413, 1569, 1570, 2355, 2615, 2826, 3138, 4707, 4710, 5230, 7065, 7845, 9414, 14130, 15690, 23535, 47070, 82111, 164222, 246333, 410555, 492666, 738999, 821110, 1231665, 1477998, 2463330, 3694995, 7389990]

約数ペア:

[(1, 7389990), (2, 3694995), (3, 2463330), (5, 1477998), (6, 1231665), (9, 821110), (10, 738999), (15, 492666), (18, 410555), (30, 246333), (45, 164222), (90, 82111), (157, 47070), (314, 23535), (471, 15690), (523, 14130), (785, 9414), (942, 7845), (1046, 7065), (1413, 5230), (1569, 4710), (1570, 4707), (2355, 3138), (2615, 2826)]