287259420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 970776576

約数和(自身を除く): 683517156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 131, 138, 140, 161, 210, 227, 230, 262, 276, 322, 345, 393, 420, 454, 460, 483, 524, 644, 655, 681, 690, 786, 805, 908, 917, 966, 1135, 1310, 1362, 1380, 1572, 1589, 1610, 1834, 1932, 1965, 2270, 2415, 2620, 2724, 2751, 3013, 3178, 3220, 3405, 3668, 3930, 4540, 4585, 4767, 4830, 5221, 5502, 6026, 6356, 6810, 7860, 7945, 9039, 9170, 9534, 9660, 10442, 11004, 12052, 13620, 13755, 15065, 15663, 15890, 18078, 18340, 19068, 20884, 21091, 23835, 26105, 27510, 29737, 30130, 31326, 31780, 36156, 36547, 42182, 45195, 47670, 52210, 55020, 59474, 60260, 62652, 63273, 73094, 78315, 84364, 89211, 90390, 95340, 104420, 105455, 109641, 118948, 126546, 146188, 148685, 156630, 178422, 180780, 182735, 208159, 210910, 219282, 253092, 297370, 313260, 316365, 356844, 365470, 416318, 421820, 438564, 446055, 548205, 594740, 624477, 632730, 683951, 730940, 832636, 892110, 1040795, 1096410, 1248954, 1265460, 1367902, 1784220, 2051853, 2081590, 2192820, 2497908, 2735804, 3122385, 3419755, 4103706, 4163180, 4787657, 6244770, 6839510, 8207412, 9575314, 10259265, 12489540, 13679020, 14362971, 19150628, 20518530, 23938285, 28725942, 41037060, 47876570, 57451884, 71814855, 95753140, 143629710, 287259420]

約数ペア:

[(1, 287259420), (2, 143629710), (3, 95753140), (4, 71814855), (5, 57451884), (6, 47876570), (7, 41037060), (10, 28725942), (12, 23938285), (14, 20518530), (15, 19150628), (20, 14362971), (21, 13679020), (23, 12489540), (28, 10259265), (30, 9575314), (35, 8207412), (42, 6839510), (46, 6244770), (60, 4787657), (69, 4163180), (70, 4103706), (84, 3419755), (92, 3122385), (105, 2735804), (115, 2497908), (131, 2192820), (138, 2081590), (140, 2051853), (161, 1784220), (210, 1367902), (227, 1265460), (230, 1248954), (262, 1096410), (276, 1040795), (322, 892110), (345, 832636), (393, 730940), (420, 683951), (454, 632730), (460, 624477), (483, 594740), (524, 548205), (644, 446055), (655, 438564), (681, 421820), (690, 416318), (786, 365470), (805, 356844), (908, 316365), (917, 313260), (966, 297370), (1135, 253092), (1310, 219282), (1362, 210910), (1380, 208159), (1572, 182735), (1589, 180780), (1610, 178422), (1834, 156630), (1932, 148685), (1965, 146188), (2270, 126546), (2415, 118948), (2620, 109641), (2724, 105455), (2751, 104420), (3013, 95340), (3178, 90390), (3220, 89211), (3405, 84364), (3668, 78315), (3930, 73094), (4540, 63273), (4585, 62652), (4767, 60260), (4830, 59474), (5221, 55020), (5502, 52210), (6026, 47670), (6356, 45195), (6810, 42182), (7860, 36547), (7945, 36156), (9039, 31780), (9170, 31326), (9534, 30130), (9660, 29737), (10442, 27510), (11004, 26105), (12052, 23835), (13620, 21091), (13755, 20884), (15065, 19068), (15663, 18340), (15890, 18078)]