About the Number

212318880

212318879 ← → 212318881

2進数表記:1100101001111011101010100000

漢数字表記:二億千二百三十一万八千八百八十

素因数分解:

2 5 × 3 1 × 5 1 × 631 1 × 701 1

素因数の和:1350
約数の個数: 96
約数和(自身を含む): 670819968
約数和(自身を除く): 458501088

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 631, 701, 1262, 1402, 1893, 2103, 2524, 2804, 3155, 3505, 3786, 4206, 5048, 5608, 6310, 7010, 7572, 8412, 9465, 10096, 10515, 11216, 12620, 14020, 15144, 16824, 18930, 20192, 21030, 22432, 25240, 28040, 30288, 33648, 37860, 42060, 50480, 56080, 60576, 67296, 75720, 84120, 100960, 112160, 151440, 168240, 302880, 336480, 442331, 884662, 1326993, 1769324, 2211655, 2653986, 3538648, 4423310, 5307972, 6634965, 7077296, 8846620, 10615944, 13269930, 14154592, 17693240, 21231888, 26539860, 35386480, 42463776, 53079720, 70772960, 106159440, 212318880]

約数ペア:
[(1, 212318880), (2, 106159440), (3, 70772960), (4, 53079720), (5, 42463776), (6, 35386480), (8, 26539860), (10, 21231888), (12, 17693240), (15, 14154592), (16, 13269930), (20, 10615944), (24, 8846620), (30, 7077296), (32, 6634965), (40, 5307972), (48, 4423310), (60, 3538648), (80, 2653986), (96, 2211655), (120, 1769324), (160, 1326993), (240, 884662), (480, 442331), (631, 336480), (701, 302880), (1262, 168240), (1402, 151440), (1893, 112160), (2103, 100960), (2524, 84120), (2804, 75720), (3155, 67296), (3505, 60576), (3786, 56080), (4206, 50480), (5048, 42060), (5608, 37860), (6310, 33648), (7010, 30288), (7572, 28040), (8412, 25240), (9465, 22432), (10096, 21030), (10515, 20192), (11216, 18930), (12620, 16824), (14020, 15144)]

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