490261590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1995

約数の個数: 192

約数和(自身を含む): 1620283392

約数和(自身を除く): 1130021802

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 910, 930, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1931, 1953, 2015, 2170, 2418, 2730, 2790, 2821, 3255, 3627, 3862, 3906, 4030, 4095, 5642, 5793, 6045, 6510, 7254, 8190, 8463, 9655, 9765, 11586, 12090, 13517, 14105, 16926, 17379, 18135, 19310, 19530, 25103, 25389, 27034, 28210, 28965, 34758, 36270, 40551, 42315, 50206, 50778, 57930, 59861, 67585, 75309, 81102, 84630, 86895, 119722, 121653, 125515, 126945, 135170, 150618, 173790, 175721, 179583, 202755, 225927, 243306, 251030, 253890, 299305, 351442, 359166, 376545, 405510, 419027, 451854, 527163, 538749, 598610, 608265, 753090, 778193, 838054, 878605, 897915, 1054326, 1077498, 1129635, 1216530, 1257081, 1556386, 1581489, 1757210, 1795830, 2095135, 2259270, 2334579, 2514162, 2635815, 2693745, 3162978, 3771243, 3890965, 4190270, 4669158, 5271630, 5387490, 5447351, 6285405, 7003737, 7542486, 7781930, 7907445, 10894702, 11672895, 12570810, 14007474, 15814890, 16342053, 18856215, 23345790, 27236755, 32684106, 35018685, 37712430, 49026159, 54473510, 70037370, 81710265, 98052318, 163420530, 245130795, 490261590]

約数ペア:

[(1, 490261590), (2, 245130795), (3, 163420530), (5, 98052318), (6, 81710265), (7, 70037370), (9, 54473510), (10, 49026159), (13, 37712430), (14, 35018685), (15, 32684106), (18, 27236755), (21, 23345790), (26, 18856215), (30, 16342053), (31, 15814890), (35, 14007474), (39, 12570810), (42, 11672895), (45, 10894702), (62, 7907445), (63, 7781930), (65, 7542486), (70, 7003737), (78, 6285405), (90, 5447351), (91, 5387490), (93, 5271630), (105, 4669158), (117, 4190270), (126, 3890965), (130, 3771243), (155, 3162978), (182, 2693745), (186, 2635815), (195, 2514162), (210, 2334579), (217, 2259270), (234, 2095135), (273, 1795830), (279, 1757210), (310, 1581489), (315, 1556386), (390, 1257081), (403, 1216530), (434, 1129635), (455, 1077498), (465, 1054326), (546, 897915), (558, 878605), (585, 838054), (630, 778193), (651, 753090), (806, 608265), (819, 598610), (910, 538749), (930, 527163), (1085, 451854), (1170, 419027), (1209, 405510), (1302, 376545), (1365, 359166), (1395, 351442), (1638, 299305), (1931, 253890), (1953, 251030), (2015, 243306), (2170, 225927), (2418, 202755), (2730, 179583), (2790, 175721), (2821, 173790), (3255, 150618), (3627, 135170), (3862, 126945), (3906, 125515), (4030, 121653), (4095, 119722), (5642, 86895), (5793, 84630), (6045, 81102), (6510, 75309), (7254, 67585), (8190, 59861), (8463, 57930), (9655, 50778), (9765, 50206), (11586, 42315), (12090, 40551), (13517, 36270), (14105, 34758), (16926, 28965), (17379, 28210), (18135, 27034), (19310, 25389), (19530, 25103)]