28949900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41357}}^1$

素因数の和:41378

約数の個数: 36

約数和(自身を含む): 71797488

約数和(自身を除く): 42847588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 41357, 82714, 165428, 206785, 289499, 413570, 578998, 827140, 1033925, 1157996, 1447495, 2067850, 2894990, 4135700, 5789980, 7237475, 14474950, 28949900]

約数ペア:

[(1, 28949900), (2, 14474950), (4, 7237475), (5, 5789980), (7, 4135700), (10, 2894990), (14, 2067850), (20, 1447495), (25, 1157996), (28, 1033925), (35, 827140), (50, 578998), (70, 413570), (100, 289499), (140, 206785), (175, 165428), (350, 82714), (700, 41357)]