8921150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 10363330

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 359, 497, 710, 718, 994, 1775, 1795, 2485, 2513, 3550, 3590, 4970, 5026, 8975, 12425, 12565, 17950, 24850, 25130, 25489, 50978, 62825, 125650, 127445, 178423, 254890, 356846, 637225, 892115, 1274450, 1784230, 4460575, 8921150]

約数ペア:

[(1, 8921150), (2, 4460575), (5, 1784230), (7, 1274450), (10, 892115), (14, 637225), (25, 356846), (35, 254890), (50, 178423), (70, 127445), (71, 125650), (142, 62825), (175, 50978), (350, 25489), (355, 25130), (359, 24850), (497, 17950), (710, 12565), (718, 12425), (994, 8975), (1775, 5026), (1795, 4970), (2485, 3590), (2513, 3550)]