251188770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1096

約数の個数: 128

約数和(自身を含む): 740524032

約数和(自身を除く): 489335262

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 71, 85, 102, 105, 119, 142, 170, 210, 213, 238, 255, 355, 357, 426, 497, 510, 595, 710, 714, 991, 994, 1065, 1190, 1207, 1491, 1785, 1982, 2130, 2414, 2485, 2973, 2982, 3570, 3621, 4955, 4970, 5946, 6035, 6937, 7242, 7455, 8449, 9910, 12070, 13874, 14865, 14910, 16847, 16898, 18105, 20811, 25347, 29730, 33694, 34685, 36210, 41622, 42245, 50541, 50694, 69370, 70361, 84235, 84490, 101082, 104055, 117929, 126735, 140722, 168470, 208110, 211083, 235858, 252705, 253470, 351805, 353787, 422166, 492527, 505410, 589645, 703610, 707574, 985054, 1055415, 1179290, 1196137, 1477581, 1768935, 2110830, 2392274, 2462635, 2955162, 3537870, 3588411, 4925270, 5980685, 7176822, 7387905, 8372959, 11961370, 14775810, 16745918, 17942055, 25118877, 35884110, 41864795, 50237754, 83729590, 125594385, 251188770]

約数ペア:

[(1, 251188770), (2, 125594385), (3, 83729590), (5, 50237754), (6, 41864795), (7, 35884110), (10, 25118877), (14, 17942055), (15, 16745918), (17, 14775810), (21, 11961370), (30, 8372959), (34, 7387905), (35, 7176822), (42, 5980685), (51, 4925270), (70, 3588411), (71, 3537870), (85, 2955162), (102, 2462635), (105, 2392274), (119, 2110830), (142, 1768935), (170, 1477581), (210, 1196137), (213, 1179290), (238, 1055415), (255, 985054), (355, 707574), (357, 703610), (426, 589645), (497, 505410), (510, 492527), (595, 422166), (710, 353787), (714, 351805), (991, 253470), (994, 252705), (1065, 235858), (1190, 211083), (1207, 208110), (1491, 168470), (1785, 140722), (1982, 126735), (2130, 117929), (2414, 104055), (2485, 101082), (2973, 84490), (2982, 84235), (3570, 70361), (3621, 69370), (4955, 50694), (4970, 50541), (5946, 42245), (6035, 41622), (6937, 36210), (7242, 34685), (7455, 33694), (8449, 29730), (9910, 25347), (12070, 20811), (13874, 18105), (14865, 16898), (14910, 16847)]