221411700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 216

約数和(自身を含む): 731090360

約数和(自身を除く): 509678660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 61, 74, 75, 90, 100, 109, 111, 122, 148, 150, 180, 183, 185, 218, 222, 225, 244, 300, 305, 327, 333, 366, 370, 436, 444, 450, 545, 549, 555, 610, 654, 666, 732, 740, 900, 915, 925, 981, 1090, 1098, 1110, 1220, 1308, 1332, 1525, 1635, 1665, 1830, 1850, 1962, 2180, 2196, 2220, 2257, 2725, 2745, 2775, 3050, 3270, 3330, 3660, 3700, 3924, 4033, 4514, 4575, 4905, 5450, 5490, 5550, 6100, 6540, 6649, 6660, 6771, 8066, 8175, 8325, 9028, 9150, 9810, 10900, 10980, 11100, 11285, 12099, 13298, 13542, 13725, 16132, 16350, 16650, 18300, 19620, 19947, 20165, 20313, 22570, 24198, 24525, 26596, 27084, 27450, 32700, 33245, 33300, 33855, 36297, 39894, 40330, 40626, 45140, 48396, 49050, 54900, 56425, 59841, 60495, 66490, 67710, 72594, 79788, 80660, 81252, 98100, 99735, 100825, 101565, 112850, 119682, 120990, 132980, 135420, 145188, 166225, 169275, 181485, 199470, 201650, 203130, 225700, 239364, 241980, 246013, 299205, 302475, 332450, 338550, 362970, 398940, 403300, 406260, 492026, 498675, 507825, 598410, 604950, 664900, 677100, 725940, 738039, 907425, 984052, 997350, 1015650, 1196820, 1209900, 1230065, 1476078, 1496025, 1814850, 1994700, 2031300, 2214117, 2460130, 2952156, 2992050, 3629700, 3690195, 4428234, 4920260, 5984100, 6150325, 7380390, 8856468, 11070585, 12300650, 14760780, 18450975, 22141170, 24601300, 36901950, 44282340, 55352925, 73803900, 110705850, 221411700]

約数ペア:

[(1, 221411700), (2, 110705850), (3, 73803900), (4, 55352925), (5, 44282340), (6, 36901950), (9, 24601300), (10, 22141170), (12, 18450975), (15, 14760780), (18, 12300650), (20, 11070585), (25, 8856468), (30, 7380390), (36, 6150325), (37, 5984100), (45, 4920260), (50, 4428234), (60, 3690195), (61, 3629700), (74, 2992050), (75, 2952156), (90, 2460130), (100, 2214117), (109, 2031300), (111, 1994700), (122, 1814850), (148, 1496025), (150, 1476078), (180, 1230065), (183, 1209900), (185, 1196820), (218, 1015650), (222, 997350), (225, 984052), (244, 907425), (300, 738039), (305, 725940), (327, 677100), (333, 664900), (366, 604950), (370, 598410), (436, 507825), (444, 498675), (450, 492026), (545, 406260), (549, 403300), (555, 398940), (610, 362970), (654, 338550), (666, 332450), (732, 302475), (740, 299205), (900, 246013), (915, 241980), (925, 239364), (981, 225700), (1090, 203130), (1098, 201650), (1110, 199470), (1220, 181485), (1308, 169275), (1332, 166225), (1525, 145188), (1635, 135420), (1665, 132980), (1830, 120990), (1850, 119682), (1962, 112850), (2180, 101565), (2196, 100825), (2220, 99735), (2257, 98100), (2725, 81252), (2745, 80660), (2775, 79788), (3050, 72594), (3270, 67710), (3330, 66490), (3660, 60495), (3700, 59841), (3924, 56425), (4033, 54900), (4514, 49050), (4575, 48396), (4905, 45140), (5450, 40626), (5490, 40330), (5550, 39894), (6100, 36297), (6540, 33855), (6649, 33300), (6660, 33245), (6771, 32700), (8066, 27450), (8175, 27084), (8325, 26596), (9028, 24525), (9150, 24198), (9810, 22570), (10900, 20313), (10980, 20165), (11100, 19947), (11285, 19620), (12099, 18300), (13298, 16650), (13542, 16350), (13725, 16132)]