211713080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 493637760

約数和(自身を除く): 281924680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1483, 1660, 1720, 2966, 3320, 3569, 5932, 7138, 7415, 11864, 14276, 14830, 17845, 28552, 29660, 35690, 59320, 63769, 71380, 123089, 127538, 142760, 246178, 255076, 318845, 492356, 510152, 615445, 637690, 984712, 1230890, 1275380, 2461780, 2550760, 4923560, 5292827, 10585654, 21171308, 26464135, 42342616, 52928270, 105856540, 211713080]

約数ペア:

[(1, 211713080), (2, 105856540), (4, 52928270), (5, 42342616), (8, 26464135), (10, 21171308), (20, 10585654), (40, 5292827), (43, 4923560), (83, 2550760), (86, 2461780), (166, 1275380), (172, 1230890), (215, 984712), (332, 637690), (344, 615445), (415, 510152), (430, 492356), (664, 318845), (830, 255076), (860, 246178), (1483, 142760), (1660, 127538), (1720, 123089), (2966, 71380), (3320, 63769), (3569, 59320), (5932, 35690), (7138, 29660), (7415, 28552), (11864, 17845), (14276, 14830)]