121221100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 361570608

約数和(自身を除く): 240349508

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 49, 50, 52, 55, 65, 70, 77, 91, 98, 100, 110, 130, 140, 143, 154, 173, 175, 182, 196, 220, 245, 260, 275, 286, 308, 325, 346, 350, 364, 385, 455, 490, 539, 550, 572, 637, 650, 692, 700, 715, 770, 865, 910, 980, 1001, 1078, 1100, 1211, 1225, 1274, 1300, 1430, 1540, 1730, 1820, 1903, 1925, 2002, 2156, 2249, 2275, 2422, 2450, 2548, 2695, 2860, 3185, 3460, 3575, 3806, 3850, 4004, 4325, 4498, 4550, 4844, 4900, 5005, 5390, 6055, 6370, 7007, 7150, 7612, 7700, 8477, 8650, 8996, 9100, 9515, 10010, 10780, 11245, 12110, 12740, 13321, 13475, 14014, 14300, 15743, 15925, 16954, 17300, 19030, 20020, 22490, 24220, 24739, 25025, 26642, 26950, 28028, 30275, 31486, 31850, 33908, 35035, 38060, 42385, 44980, 47575, 49478, 50050, 53284, 53900, 56225, 60550, 62972, 63700, 66605, 70070, 78715, 84770, 93247, 95150, 98956, 100100, 110201, 112450, 121100, 123695, 133210, 140140, 157430, 169540, 173173, 175175, 186494, 190300, 211925, 220402, 224900, 247390, 266420, 314860, 333025, 346346, 350350, 372988, 393575, 423850, 440804, 466235, 494780, 551005, 618475, 666050, 692692, 700700, 787150, 847700, 865865, 932470, 1102010, 1212211, 1236950, 1332100, 1574300, 1731730, 1864940, 2204020, 2331175, 2424422, 2473900, 2755025, 3463460, 4329325, 4662350, 4848844, 5510050, 6061055, 8658650, 9324700, 11020100, 12122110, 17317300, 24244220, 30305275, 60610550, 121221100]

約数ペア:

[(1, 121221100), (2, 60610550), (4, 30305275), (5, 24244220), (7, 17317300), (10, 12122110), (11, 11020100), (13, 9324700), (14, 8658650), (20, 6061055), (22, 5510050), (25, 4848844), (26, 4662350), (28, 4329325), (35, 3463460), (44, 2755025), (49, 2473900), (50, 2424422), (52, 2331175), (55, 2204020), (65, 1864940), (70, 1731730), (77, 1574300), (91, 1332100), (98, 1236950), (100, 1212211), (110, 1102010), (130, 932470), (140, 865865), (143, 847700), (154, 787150), (173, 700700), (175, 692692), (182, 666050), (196, 618475), (220, 551005), (245, 494780), (260, 466235), (275, 440804), (286, 423850), (308, 393575), (325, 372988), (346, 350350), (350, 346346), (364, 333025), (385, 314860), (455, 266420), (490, 247390), (539, 224900), (550, 220402), (572, 211925), (637, 190300), (650, 186494), (692, 175175), (700, 173173), (715, 169540), (770, 157430), (865, 140140), (910, 133210), (980, 123695), (1001, 121100), (1078, 112450), (1100, 110201), (1211, 100100), (1225, 98956), (1274, 95150), (1300, 93247), (1430, 84770), (1540, 78715), (1730, 70070), (1820, 66605), (1903, 63700), (1925, 62972), (2002, 60550), (2156, 56225), (2249, 53900), (2275, 53284), (2422, 50050), (2450, 49478), (2548, 47575), (2695, 44980), (2860, 42385), (3185, 38060), (3460, 35035), (3575, 33908), (3806, 31850), (3850, 31486), (4004, 30275), (4325, 28028), (4498, 26950), (4550, 26642), (4844, 25025), (4900, 24739), (5005, 24220), (5390, 22490), (6055, 20020), (6370, 19030), (7007, 17300), (7150, 16954), (7612, 15925), (7700, 15743), (8477, 14300), (8650, 14014), (8996, 13475), (9100, 13321), (9515, 12740), (10010, 12110), (10780, 11245)]