394345980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6659}}^1$

素因数の和:6728

約数の個数: 144

約数和(自身を含む): 1396362240

約数和(自身を除く): 1002016260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3948, 4230, 4935, 5922, 6580, 6659, 8460, 9870, 11844, 13318, 14805, 19740, 19977, 26636, 29610, 33295, 39954, 46613, 59220, 59931, 66590, 79908, 93226, 99885, 119862, 133180, 139839, 186452, 199770, 233065, 239724, 279678, 299655, 312973, 399540, 419517, 466130, 559356, 599310, 625946, 699195, 839034, 932260, 938919, 1198620, 1251892, 1398390, 1564865, 1678068, 1877838, 2097585, 2190811, 2796780, 2816757, 3129730, 3755676, 4195170, 4381622, 4694595, 5633514, 6259460, 6572433, 8390340, 8763244, 9389190, 10954055, 11267028, 13144866, 14083785, 18778380, 19717299, 21908110, 26289732, 28167570, 32862165, 39434598, 43816220, 56335140, 65724330, 78869196, 98586495, 131448660, 197172990, 394345980]

約数ペア:

[(1, 394345980), (2, 197172990), (3, 131448660), (4, 98586495), (5, 78869196), (6, 65724330), (7, 56335140), (9, 43816220), (10, 39434598), (12, 32862165), (14, 28167570), (15, 26289732), (18, 21908110), (20, 19717299), (21, 18778380), (28, 14083785), (30, 13144866), (35, 11267028), (36, 10954055), (42, 9389190), (45, 8763244), (47, 8390340), (60, 6572433), (63, 6259460), (70, 5633514), (84, 4694595), (90, 4381622), (94, 4195170), (105, 3755676), (126, 3129730), (140, 2816757), (141, 2796780), (180, 2190811), (188, 2097585), (210, 1877838), (235, 1678068), (252, 1564865), (282, 1398390), (315, 1251892), (329, 1198620), (420, 938919), (423, 932260), (470, 839034), (564, 699195), (630, 625946), (658, 599310), (705, 559356), (846, 466130), (940, 419517), (987, 399540), (1260, 312973), (1316, 299655), (1410, 279678), (1645, 239724), (1692, 233065), (1974, 199770), (2115, 186452), (2820, 139839), (2961, 133180), (3290, 119862), (3948, 99885), (4230, 93226), (4935, 79908), (5922, 66590), (6580, 59931), (6659, 59220), (8460, 46613), (9870, 39954), (11844, 33295), (13318, 29610), (14805, 26636), (19740, 19977)]