38999800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 105127200

約数和(自身を除く): 66127400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 89, 100, 140, 175, 178, 200, 280, 313, 350, 356, 445, 623, 626, 700, 712, 890, 1246, 1252, 1400, 1565, 1780, 2191, 2225, 2492, 2504, 3115, 3130, 3560, 4382, 4450, 4984, 6230, 6260, 7825, 8764, 8900, 10955, 12460, 12520, 15575, 15650, 17528, 17800, 21910, 24920, 27857, 31150, 31300, 43820, 54775, 55714, 62300, 62600, 87640, 109550, 111428, 124600, 139285, 194999, 219100, 222856, 278570, 389998, 438200, 557140, 696425, 779996, 974995, 1114280, 1392850, 1559992, 1949990, 2785700, 3899980, 4874975, 5571400, 7799960, 9749950, 19499900, 38999800]

約数ペア:

[(1, 38999800), (2, 19499900), (4, 9749950), (5, 7799960), (7, 5571400), (8, 4874975), (10, 3899980), (14, 2785700), (20, 1949990), (25, 1559992), (28, 1392850), (35, 1114280), (40, 974995), (50, 779996), (56, 696425), (70, 557140), (89, 438200), (100, 389998), (140, 278570), (175, 222856), (178, 219100), (200, 194999), (280, 139285), (313, 124600), (350, 111428), (356, 109550), (445, 87640), (623, 62600), (626, 62300), (700, 55714), (712, 54775), (890, 43820), (1246, 31300), (1252, 31150), (1400, 27857), (1565, 24920), (1780, 21910), (2191, 17800), (2225, 17528), (2492, 15650), (2504, 15575), (3115, 12520), (3130, 12460), (3560, 10955), (4382, 8900), (4450, 8764), (4984, 7825), (6230, 6260)]