129101620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 295293600

約数和(自身を除く): 166191980

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 61, 82, 89, 116, 122, 145, 164, 178, 205, 244, 290, 305, 356, 410, 445, 580, 610, 820, 890, 1189, 1220, 1769, 1780, 2378, 2501, 2581, 3538, 3649, 4756, 5002, 5162, 5429, 5945, 7076, 7298, 8845, 10004, 10324, 10858, 11890, 12505, 12905, 14596, 17690, 18245, 21716, 23780, 25010, 25810, 27145, 35380, 36490, 50020, 51620, 54290, 72529, 72980, 105821, 108580, 145058, 157441, 211642, 222589, 290116, 314882, 362645, 423284, 445178, 529105, 629764, 725290, 787205, 890356, 1058210, 1112945, 1450580, 1574410, 2116420, 2225890, 3148820, 4451780, 6455081, 12910162, 25820324, 32275405, 64550810, 129101620]

約数ペア:

[(1, 129101620), (2, 64550810), (4, 32275405), (5, 25820324), (10, 12910162), (20, 6455081), (29, 4451780), (41, 3148820), (58, 2225890), (61, 2116420), (82, 1574410), (89, 1450580), (116, 1112945), (122, 1058210), (145, 890356), (164, 787205), (178, 725290), (205, 629764), (244, 529105), (290, 445178), (305, 423284), (356, 362645), (410, 314882), (445, 290116), (580, 222589), (610, 211642), (820, 157441), (890, 145058), (1189, 108580), (1220, 105821), (1769, 72980), (1780, 72529), (2378, 54290), (2501, 51620), (2581, 50020), (3538, 36490), (3649, 35380), (4756, 27145), (5002, 25810), (5162, 25010), (5429, 23780), (5945, 21716), (7076, 18245), (7298, 17690), (8845, 14596), (10004, 12905), (10324, 12505), (10858, 11890)]