211077760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10689

約数の個数: 64

約数和(自身を含む): 520934400

約数和(自身を除く): 309856640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10639, 19840, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 329809, 340448, 425560, 659618, 680896, 851120, 1319236, 1361792, 1649045, 1702240, 2638472, 3298090, 3404480, 5276944, 6596180, 6808960, 10553888, 13192360, 21107776, 26384720, 42215552, 52769440, 105538880, 211077760]

約数ペア:

[(1, 211077760), (2, 105538880), (4, 52769440), (5, 42215552), (8, 26384720), (10, 21107776), (16, 13192360), (20, 10553888), (31, 6808960), (32, 6596180), (40, 5276944), (62, 3404480), (64, 3298090), (80, 2638472), (124, 1702240), (128, 1649045), (155, 1361792), (160, 1319236), (248, 851120), (310, 680896), (320, 659618), (496, 425560), (620, 340448), (640, 329809), (992, 212780), (1240, 170224), (1984, 106390), (2480, 85112), (3968, 53195), (4960, 42556), (9920, 21278), (10639, 19840)]