287484820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 784465920

約数和(自身を除く): 496981100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 37, 38, 46, 70, 74, 76, 92, 95, 115, 127, 133, 140, 148, 161, 185, 190, 230, 254, 259, 266, 322, 370, 380, 437, 460, 508, 518, 532, 635, 644, 665, 703, 740, 805, 851, 874, 889, 1036, 1270, 1295, 1330, 1406, 1610, 1702, 1748, 1778, 2185, 2413, 2540, 2590, 2660, 2812, 2921, 3059, 3220, 3404, 3515, 3556, 4255, 4370, 4445, 4699, 4826, 4921, 5180, 5842, 5957, 6118, 7030, 8510, 8740, 8890, 9398, 9652, 9842, 11684, 11914, 12065, 12236, 14060, 14605, 15295, 16169, 16891, 17020, 17780, 18796, 19684, 20447, 23495, 23828, 24130, 24605, 29210, 29785, 30590, 32338, 32893, 33782, 40894, 46990, 48260, 49210, 55499, 58420, 59570, 61180, 64676, 65786, 67564, 80845, 81788, 84455, 89281, 93980, 98420, 102235, 108077, 110998, 113183, 119140, 131572, 161690, 164465, 168910, 178562, 204470, 216154, 221996, 226366, 277495, 323380, 328930, 337820, 357124, 388493, 408940, 432308, 446405, 452732, 540385, 554990, 565915, 624967, 657860, 756539, 776986, 892810, 1080770, 1109980, 1131830, 1249934, 1513078, 1553972, 1785620, 1942465, 2053463, 2161540, 2263660, 2499868, 3026156, 3124835, 3782695, 3884930, 4106926, 6249670, 7565390, 7769860, 8213852, 10267315, 12499340, 14374241, 15130780, 20534630, 28748482, 41069260, 57496964, 71871205, 143742410, 287484820]

約数ペア:

[(1, 287484820), (2, 143742410), (4, 71871205), (5, 57496964), (7, 41069260), (10, 28748482), (14, 20534630), (19, 15130780), (20, 14374241), (23, 12499340), (28, 10267315), (35, 8213852), (37, 7769860), (38, 7565390), (46, 6249670), (70, 4106926), (74, 3884930), (76, 3782695), (92, 3124835), (95, 3026156), (115, 2499868), (127, 2263660), (133, 2161540), (140, 2053463), (148, 1942465), (161, 1785620), (185, 1553972), (190, 1513078), (230, 1249934), (254, 1131830), (259, 1109980), (266, 1080770), (322, 892810), (370, 776986), (380, 756539), (437, 657860), (460, 624967), (508, 565915), (518, 554990), (532, 540385), (635, 452732), (644, 446405), (665, 432308), (703, 408940), (740, 388493), (805, 357124), (851, 337820), (874, 328930), (889, 323380), (1036, 277495), (1270, 226366), (1295, 221996), (1330, 216154), (1406, 204470), (1610, 178562), (1702, 168910), (1748, 164465), (1778, 161690), (2185, 131572), (2413, 119140), (2540, 113183), (2590, 110998), (2660, 108077), (2812, 102235), (2921, 98420), (3059, 93980), (3220, 89281), (3404, 84455), (3515, 81788), (3556, 80845), (4255, 67564), (4370, 65786), (4445, 64676), (4699, 61180), (4826, 59570), (4921, 58420), (5180, 55499), (5842, 49210), (5957, 48260), (6118, 46990), (7030, 40894), (8510, 33782), (8740, 32893), (8890, 32338), (9398, 30590), (9652, 29785), (9842, 29210), (11684, 24605), (11914, 24130), (12065, 23828), (12236, 23495), (14060, 20447), (14605, 19684), (15295, 18796), (16169, 17780), (16891, 17020)]