256255300

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 672179200

約数和(自身を除く): 415923900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 241, 245, 310, 343, 350, 434, 482, 490, 620, 686, 700, 775, 868, 964, 980, 1085, 1205, 1225, 1372, 1519, 1550, 1687, 1715, 2170, 2410, 2450, 3038, 3100, 3374, 3430, 4340, 4820, 4900, 5425, 6025, 6076, 6748, 6860, 7471, 7595, 8435, 8575, 10633, 10850, 11809, 12050, 14942, 15190, 16870, 17150, 21266, 21700, 23618, 24100, 29884, 30380, 33740, 34300, 37355, 37975, 42175, 42532, 47236, 52297, 53165, 59045, 74710, 75950, 82663, 84350, 104594, 106330, 118090, 149420, 151900, 165326, 168700, 186775, 209188, 212660, 236180, 261485, 265825, 295225, 330652, 366079, 373550, 413315, 522970, 531650, 590450, 732158, 747100, 826630, 1045940, 1063300, 1180900, 1307425, 1464316, 1653260, 1830395, 2066575, 2562553, 2614850, 3660790, 4133150, 5125106, 5229700, 7321580, 8266300, 9151975, 10250212, 12812765, 18303950, 25625530, 36607900, 51251060, 64063825, 128127650, 256255300]

約数ペア:

[(1, 256255300), (2, 128127650), (4, 64063825), (5, 51251060), (7, 36607900), (10, 25625530), (14, 18303950), (20, 12812765), (25, 10250212), (28, 9151975), (31, 8266300), (35, 7321580), (49, 5229700), (50, 5125106), (62, 4133150), (70, 3660790), (98, 2614850), (100, 2562553), (124, 2066575), (140, 1830395), (155, 1653260), (175, 1464316), (196, 1307425), (217, 1180900), (241, 1063300), (245, 1045940), (310, 826630), (343, 747100), (350, 732158), (434, 590450), (482, 531650), (490, 522970), (620, 413315), (686, 373550), (700, 366079), (775, 330652), (868, 295225), (964, 265825), (980, 261485), (1085, 236180), (1205, 212660), (1225, 209188), (1372, 186775), (1519, 168700), (1550, 165326), (1687, 151900), (1715, 149420), (2170, 118090), (2410, 106330), (2450, 104594), (3038, 84350), (3100, 82663), (3374, 75950), (3430, 74710), (4340, 59045), (4820, 53165), (4900, 52297), (5425, 47236), (6025, 42532), (6076, 42175), (6748, 37975), (6860, 37355), (7471, 34300), (7595, 33740), (8435, 30380), (8575, 29884), (10633, 24100), (10850, 23618), (11809, 21700), (12050, 21266), (14942, 17150), (15190, 16870)]