67374980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 145992000

約数和(自身を除く): 78617020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 430, 499, 628, 785, 860, 998, 1570, 1996, 2495, 3140, 4990, 6751, 9980, 13502, 21457, 27004, 33755, 42914, 67510, 78343, 85828, 107285, 135020, 156686, 214570, 313372, 391715, 429140, 783430, 1566860, 3368749, 6737498, 13474996, 16843745, 33687490, 67374980]

約数ペア:

[(1, 67374980), (2, 33687490), (4, 16843745), (5, 13474996), (10, 6737498), (20, 3368749), (43, 1566860), (86, 783430), (157, 429140), (172, 391715), (215, 313372), (314, 214570), (430, 156686), (499, 135020), (628, 107285), (785, 85828), (860, 78343), (998, 67510), (1570, 42914), (1996, 33755), (2495, 27004), (3140, 21457), (4990, 13502), (6751, 9980)]