71906660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 181440000

約数和(自身を除く): 109533340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 89, 116, 140, 145, 178, 199, 203, 290, 356, 398, 406, 445, 580, 623, 796, 812, 890, 995, 1015, 1246, 1393, 1780, 1990, 2030, 2492, 2581, 2786, 3115, 3980, 4060, 5162, 5572, 5771, 6230, 6965, 10324, 11542, 12460, 12905, 13930, 17711, 18067, 23084, 25810, 27860, 28855, 35422, 36134, 40397, 51620, 57710, 70844, 72268, 80794, 88555, 90335, 115420, 123977, 161588, 177110, 180670, 201985, 247954, 354220, 361340, 403970, 495908, 513619, 619885, 807940, 1027238, 1239770, 2054476, 2479540, 2568095, 3595333, 5136190, 7190666, 10272380, 14381332, 17976665, 35953330, 71906660]

約数ペア:

[(1, 71906660), (2, 35953330), (4, 17976665), (5, 14381332), (7, 10272380), (10, 7190666), (14, 5136190), (20, 3595333), (28, 2568095), (29, 2479540), (35, 2054476), (58, 1239770), (70, 1027238), (89, 807940), (116, 619885), (140, 513619), (145, 495908), (178, 403970), (199, 361340), (203, 354220), (290, 247954), (356, 201985), (398, 180670), (406, 177110), (445, 161588), (580, 123977), (623, 115420), (796, 90335), (812, 88555), (890, 80794), (995, 72268), (1015, 70844), (1246, 57710), (1393, 51620), (1780, 40397), (1990, 36134), (2030, 35422), (2492, 28855), (2581, 27860), (2786, 25810), (3115, 23084), (3980, 18067), (4060, 17711), (5162, 13930), (5572, 12905), (5771, 12460), (6230, 11542), (6965, 10324)]