71302840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5197}}^1$

素因数の和:5229

約数の個数: 64

約数和(自身を含む): 187128000

約数和(自身を除く): 115825160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5197, 6860, 10394, 13720, 20788, 25985, 36379, 41576, 51970, 72758, 103940, 145516, 181895, 207880, 254653, 291032, 363790, 509306, 727580, 1018612, 1273265, 1455160, 1782571, 2037224, 2546530, 3565142, 5093060, 7130284, 8912855, 10186120, 14260568, 17825710, 35651420, 71302840]

約数ペア:

[(1, 71302840), (2, 35651420), (4, 17825710), (5, 14260568), (7, 10186120), (8, 8912855), (10, 7130284), (14, 5093060), (20, 3565142), (28, 2546530), (35, 2037224), (40, 1782571), (49, 1455160), (56, 1273265), (70, 1018612), (98, 727580), (140, 509306), (196, 363790), (245, 291032), (280, 254653), (343, 207880), (392, 181895), (490, 145516), (686, 103940), (980, 72758), (1372, 51970), (1715, 41576), (1960, 36379), (2744, 25985), (3430, 20788), (5197, 13720), (6860, 10394)]