30143000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 72277920

約数和(自身を除く): 42134920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 701, 860, 1000, 1075, 1402, 1720, 2150, 2804, 3505, 4300, 5375, 5608, 7010, 8600, 10750, 14020, 17525, 21500, 28040, 30143, 35050, 43000, 60286, 70100, 87625, 120572, 140200, 150715, 175250, 241144, 301430, 350500, 602860, 701000, 753575, 1205720, 1507150, 3014300, 3767875, 6028600, 7535750, 15071500, 30143000]

約数ペア:

[(1, 30143000), (2, 15071500), (4, 7535750), (5, 6028600), (8, 3767875), (10, 3014300), (20, 1507150), (25, 1205720), (40, 753575), (43, 701000), (50, 602860), (86, 350500), (100, 301430), (125, 241144), (172, 175250), (200, 150715), (215, 140200), (250, 120572), (344, 87625), (430, 70100), (500, 60286), (701, 43000), (860, 35050), (1000, 30143), (1075, 28040), (1402, 21500), (1720, 17525), (2150, 14020), (2804, 10750), (3505, 8600), (4300, 7010), (5375, 5608)]