221577690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 552821760

約数和(自身を除く): 331244070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 257, 290, 435, 514, 771, 870, 991, 1285, 1542, 1982, 2570, 2973, 3855, 4955, 5946, 7453, 7710, 9910, 14865, 14906, 22359, 28739, 29730, 37265, 44718, 57478, 74530, 86217, 111795, 143695, 172434, 223590, 254687, 287390, 431085, 509374, 764061, 862170, 1273435, 1528122, 2546870, 3820305, 7385923, 7640610, 14771846, 22157769, 36929615, 44315538, 73859230, 110788845, 221577690]

約数ペア:

[(1, 221577690), (2, 110788845), (3, 73859230), (5, 44315538), (6, 36929615), (10, 22157769), (15, 14771846), (29, 7640610), (30, 7385923), (58, 3820305), (87, 2546870), (145, 1528122), (174, 1273435), (257, 862170), (290, 764061), (435, 509374), (514, 431085), (771, 287390), (870, 254687), (991, 223590), (1285, 172434), (1542, 143695), (1982, 111795), (2570, 86217), (2973, 74530), (3855, 57478), (4955, 44718), (5946, 37265), (7453, 29730), (7710, 28739), (9910, 22359), (14865, 14906)]