75174740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 161254800

約数和(自身を除く): 86080060

約数列:

[1, 2, 4, 5, 10, 20, 89, 157, 178, 269, 314, 356, 445, 538, 628, 785, 890, 1076, 1345, 1570, 1780, 2690, 3140, 5380, 13973, 23941, 27946, 42233, 47882, 55892, 69865, 84466, 95764, 119705, 139730, 168932, 211165, 239410, 279460, 422330, 478820, 844660, 3758737, 7517474, 15034948, 18793685, 37587370, 75174740]

約数ペア:

[(1, 75174740), (2, 37587370), (4, 18793685), (5, 15034948), (10, 7517474), (20, 3758737), (89, 844660), (157, 478820), (178, 422330), (269, 279460), (314, 239410), (356, 211165), (445, 168932), (538, 139730), (628, 119705), (785, 95764), (890, 84466), (1076, 69865), (1345, 55892), (1570, 47882), (1780, 42233), (2690, 27946), (3140, 23941), (5380, 13973)]