221222700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:817

約数の個数: 216

約数和(自身を含む): 773856720

約数和(自身を除く): 552634020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 30, 34, 36, 38, 45, 50, 51, 57, 60, 68, 75, 76, 85, 90, 95, 100, 102, 114, 150, 153, 170, 171, 180, 190, 204, 225, 228, 255, 285, 300, 306, 323, 340, 342, 380, 425, 450, 475, 510, 570, 612, 646, 684, 761, 765, 850, 855, 900, 950, 969, 1020, 1140, 1275, 1292, 1425, 1522, 1530, 1615, 1700, 1710, 1900, 1938, 2283, 2550, 2850, 2907, 3044, 3060, 3230, 3420, 3805, 3825, 3876, 4275, 4566, 4845, 5100, 5700, 5814, 6460, 6849, 7610, 7650, 8075, 8550, 9132, 9690, 11415, 11628, 12937, 13698, 14459, 14535, 15220, 15300, 16150, 17100, 19025, 19380, 22830, 24225, 25874, 27396, 28918, 29070, 32300, 34245, 38050, 38811, 43377, 45660, 48450, 51748, 57075, 57836, 58140, 64685, 68490, 72295, 72675, 76100, 77622, 86754, 96900, 114150, 116433, 129370, 130131, 136980, 144590, 145350, 155244, 171225, 173508, 194055, 216885, 228300, 232866, 245803, 258740, 260262, 289180, 290700, 323425, 342450, 361475, 388110, 433770, 465732, 491606, 520524, 582165, 646850, 650655, 684900, 722950, 737409, 776220, 867540, 970275, 983212, 1084425, 1164330, 1229015, 1293700, 1301310, 1445900, 1474818, 1940550, 2168850, 2212227, 2328660, 2458030, 2602620, 2910825, 2949636, 3253275, 3687045, 3881100, 4337700, 4424454, 4916060, 5821650, 6145075, 6506550, 7374090, 8848908, 11061135, 11643300, 12290150, 13013100, 14748180, 18435225, 22122270, 24580300, 36870450, 44244540, 55305675, 73740900, 110611350, 221222700]

約数ペア:

[(1, 221222700), (2, 110611350), (3, 73740900), (4, 55305675), (5, 44244540), (6, 36870450), (9, 24580300), (10, 22122270), (12, 18435225), (15, 14748180), (17, 13013100), (18, 12290150), (19, 11643300), (20, 11061135), (25, 8848908), (30, 7374090), (34, 6506550), (36, 6145075), (38, 5821650), (45, 4916060), (50, 4424454), (51, 4337700), (57, 3881100), (60, 3687045), (68, 3253275), (75, 2949636), (76, 2910825), (85, 2602620), (90, 2458030), (95, 2328660), (100, 2212227), (102, 2168850), (114, 1940550), (150, 1474818), (153, 1445900), (170, 1301310), (171, 1293700), (180, 1229015), (190, 1164330), (204, 1084425), (225, 983212), (228, 970275), (255, 867540), (285, 776220), (300, 737409), (306, 722950), (323, 684900), (340, 650655), (342, 646850), (380, 582165), (425, 520524), (450, 491606), (475, 465732), (510, 433770), (570, 388110), (612, 361475), (646, 342450), (684, 323425), (761, 290700), (765, 289180), (850, 260262), (855, 258740), (900, 245803), (950, 232866), (969, 228300), (1020, 216885), (1140, 194055), (1275, 173508), (1292, 171225), (1425, 155244), (1522, 145350), (1530, 144590), (1615, 136980), (1700, 130131), (1710, 129370), (1900, 116433), (1938, 114150), (2283, 96900), (2550, 86754), (2850, 77622), (2907, 76100), (3044, 72675), (3060, 72295), (3230, 68490), (3420, 64685), (3805, 58140), (3825, 57836), (3876, 57075), (4275, 51748), (4566, 48450), (4845, 45660), (5100, 43377), (5700, 38811), (5814, 38050), (6460, 34245), (6849, 32300), (7610, 29070), (7650, 28918), (8075, 27396), (8550, 25874), (9132, 24225), (9690, 22830), (11415, 19380), (11628, 19025), (12937, 17100), (13698, 16150), (14459, 15300), (14535, 15220)]