56555800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 159030000

約数和(自身を除く): 102474200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 199, 200, 203, 232, 245, 280, 290, 350, 392, 398, 406, 490, 580, 700, 725, 796, 812, 980, 995, 1015, 1160, 1225, 1393, 1400, 1421, 1450, 1592, 1624, 1960, 1990, 2030, 2450, 2786, 2842, 2900, 3980, 4060, 4900, 4975, 5075, 5572, 5684, 5771, 5800, 6965, 7105, 7960, 8120, 9751, 9800, 9950, 10150, 11144, 11368, 11542, 13930, 14210, 19502, 19900, 20300, 23084, 27860, 28420, 28855, 34825, 35525, 39004, 39800, 40397, 40600, 46168, 48755, 55720, 56840, 57710, 69650, 71050, 78008, 80794, 97510, 115420, 139300, 142100, 144275, 161588, 195020, 201985, 230840, 243775, 278600, 282779, 284200, 288550, 323176, 390040, 403970, 487550, 565558, 577100, 807940, 975100, 1009925, 1131116, 1154200, 1413895, 1615880, 1950200, 2019850, 2262232, 2827790, 4039700, 5655580, 7069475, 8079400, 11311160, 14138950, 28277900, 56555800]

約数ペア:

[(1, 56555800), (2, 28277900), (4, 14138950), (5, 11311160), (7, 8079400), (8, 7069475), (10, 5655580), (14, 4039700), (20, 2827790), (25, 2262232), (28, 2019850), (29, 1950200), (35, 1615880), (40, 1413895), (49, 1154200), (50, 1131116), (56, 1009925), (58, 975100), (70, 807940), (98, 577100), (100, 565558), (116, 487550), (140, 403970), (145, 390040), (175, 323176), (196, 288550), (199, 284200), (200, 282779), (203, 278600), (232, 243775), (245, 230840), (280, 201985), (290, 195020), (350, 161588), (392, 144275), (398, 142100), (406, 139300), (490, 115420), (580, 97510), (700, 80794), (725, 78008), (796, 71050), (812, 69650), (980, 57710), (995, 56840), (1015, 55720), (1160, 48755), (1225, 46168), (1393, 40600), (1400, 40397), (1421, 39800), (1450, 39004), (1592, 35525), (1624, 34825), (1960, 28855), (1990, 28420), (2030, 27860), (2450, 23084), (2786, 20300), (2842, 19900), (2900, 19502), (3980, 14210), (4060, 13930), (4900, 11542), (4975, 11368), (5075, 11144), (5572, 10150), (5684, 9950), (5771, 9800), (5800, 9751), (6965, 8120), (7105, 7960)]