2100081825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 4178304000

約数和(自身を除く): 2078222175

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 89, 93, 153, 155, 199, 225, 255, 267, 279, 425, 445, 465, 527, 597, 765, 775, 801, 995, 1275, 1335, 1395, 1513, 1581, 1791, 2225, 2325, 2635, 2759, 2985, 3383, 3825, 4005, 4539, 4743, 4975, 6169, 6675, 6975, 7565, 7905, 8277, 8955, 10149, 13175, 13617, 13795, 14925, 16915, 17711, 18507, 20025, 22695, 23715, 24831, 30447, 30845, 37825, 39525, 41385, 44775, 46903, 50745, 53133, 55521, 68085, 68975, 84575, 88555, 92535, 104873, 113475, 118575, 124155, 140709, 152235, 154225, 159399, 206925, 234515, 253725, 265665, 277605, 301087, 314619, 340425, 422127, 442775, 462675, 524365, 549041, 620775, 703545, 761175, 796995, 903261, 943857, 1172575, 1328325, 1388025, 1505435, 1573095, 1647123, 2110635, 2621825, 2709783, 2745205, 3517725, 3984975, 4516305, 4719285, 4941369, 7527175, 7865475, 8235615, 9333697, 10553175, 13548915, 13726025, 22581525, 23596425, 24706845, 28001091, 41178075, 46668485, 67744575, 84003273, 123534225, 140005455, 233342425, 420016365, 700027275, 2100081825]

約数ペア:

[(1, 2100081825), (3, 700027275), (5, 420016365), (9, 233342425), (15, 140005455), (17, 123534225), (25, 84003273), (31, 67744575), (45, 46668485), (51, 41178075), (75, 28001091), (85, 24706845), (89, 23596425), (93, 22581525), (153, 13726025), (155, 13548915), (199, 10553175), (225, 9333697), (255, 8235615), (267, 7865475), (279, 7527175), (425, 4941369), (445, 4719285), (465, 4516305), (527, 3984975), (597, 3517725), (765, 2745205), (775, 2709783), (801, 2621825), (995, 2110635), (1275, 1647123), (1335, 1573095), (1395, 1505435), (1513, 1388025), (1581, 1328325), (1791, 1172575), (2225, 943857), (2325, 903261), (2635, 796995), (2759, 761175), (2985, 703545), (3383, 620775), (3825, 549041), (4005, 524365), (4539, 462675), (4743, 442775), (4975, 422127), (6169, 340425), (6675, 314619), (6975, 301087), (7565, 277605), (7905, 265665), (8277, 253725), (8955, 234515), (10149, 206925), (13175, 159399), (13617, 154225), (13795, 152235), (14925, 140709), (16915, 124155), (17711, 118575), (18507, 113475), (20025, 104873), (22695, 92535), (23715, 88555), (24831, 84575), (30447, 68975), (30845, 68085), (37825, 55521), (39525, 53133), (41385, 50745), (44775, 46903)]