219487905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 216

約数和(自身を含む): 520715520

約数和(自身を除く): 301227615

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 31, 35, 39, 45, 49, 57, 63, 65, 91, 93, 95, 105, 117, 133, 147, 155, 169, 171, 195, 217, 245, 247, 273, 279, 285, 315, 399, 403, 441, 455, 465, 507, 585, 589, 637, 651, 665, 735, 741, 819, 845, 855, 931, 1085, 1183, 1197, 1209, 1235, 1365, 1395, 1519, 1521, 1729, 1767, 1911, 1953, 1995, 2015, 2205, 2223, 2535, 2793, 2821, 2945, 3185, 3211, 3255, 3549, 3627, 3705, 4095, 4123, 4557, 4655, 5187, 5239, 5301, 5733, 5915, 5985, 6045, 7595, 7605, 7657, 8281, 8379, 8463, 8645, 8835, 9555, 9633, 9765, 10647, 11115, 12103, 12369, 13671, 13965, 14105, 15561, 15717, 16055, 17745, 18135, 19747, 20615, 22477, 22785, 22971, 24843, 25389, 25935, 26195, 26505, 28665, 28861, 28899, 36309, 36673, 37107, 38285, 41405, 41895, 42315, 47151, 48165, 53235, 53599, 59241, 60515, 61845, 67431, 68355, 68913, 74529, 77805, 78585, 86583, 98735, 99541, 108927, 110019, 112385, 114855, 124215, 126945, 144305, 144495, 157339, 160797, 177723, 181545, 183365, 185535, 202293, 235755, 256711, 259749, 267995, 296205, 298623, 330057, 337155, 344565, 372645, 375193, 432915, 472017, 482391, 497705, 544635, 550095, 696787, 770133, 786695, 803985, 888615, 895869, 1011465, 1125579, 1283555, 1298745, 1416051, 1493115, 1650285, 1875965, 2090361, 2310399, 2360085, 2411955, 3376737, 3483935, 3850665, 4479345, 4877509, 5627895, 6271083, 7080255, 10451805, 11551995, 14632527, 16883685, 24387545, 31355415, 43897581, 73162635, 219487905]

約数ペア:

[(1, 219487905), (3, 73162635), (5, 43897581), (7, 31355415), (9, 24387545), (13, 16883685), (15, 14632527), (19, 11551995), (21, 10451805), (31, 7080255), (35, 6271083), (39, 5627895), (45, 4877509), (49, 4479345), (57, 3850665), (63, 3483935), (65, 3376737), (91, 2411955), (93, 2360085), (95, 2310399), (105, 2090361), (117, 1875965), (133, 1650285), (147, 1493115), (155, 1416051), (169, 1298745), (171, 1283555), (195, 1125579), (217, 1011465), (245, 895869), (247, 888615), (273, 803985), (279, 786695), (285, 770133), (315, 696787), (399, 550095), (403, 544635), (441, 497705), (455, 482391), (465, 472017), (507, 432915), (585, 375193), (589, 372645), (637, 344565), (651, 337155), (665, 330057), (735, 298623), (741, 296205), (819, 267995), (845, 259749), (855, 256711), (931, 235755), (1085, 202293), (1183, 185535), (1197, 183365), (1209, 181545), (1235, 177723), (1365, 160797), (1395, 157339), (1519, 144495), (1521, 144305), (1729, 126945), (1767, 124215), (1911, 114855), (1953, 112385), (1995, 110019), (2015, 108927), (2205, 99541), (2223, 98735), (2535, 86583), (2793, 78585), (2821, 77805), (2945, 74529), (3185, 68913), (3211, 68355), (3255, 67431), (3549, 61845), (3627, 60515), (3705, 59241), (4095, 53599), (4123, 53235), (4557, 48165), (4655, 47151), (5187, 42315), (5239, 41895), (5301, 41405), (5733, 38285), (5915, 37107), (5985, 36673), (6045, 36309), (7595, 28899), (7605, 28861), (7657, 28665), (8281, 26505), (8379, 26195), (8463, 25935), (8645, 25389), (8835, 24843), (9555, 22971), (9633, 22785), (9765, 22477), (10647, 20615), (11115, 19747), (12103, 18135), (12369, 17745), (13671, 16055), (13965, 15717), (14105, 15561)]