178854396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29989}}^1$

素因数の和:30074

約数の個数: 48

約数和(自身を含む): 483678720

約数和(自身を除く): 304824324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 29989, 59978, 89967, 119956, 179934, 209923, 359868, 419846, 629769, 839692, 1259538, 2129219, 2519076, 4258438, 6387657, 8516876, 12775314, 14904533, 25550628, 29809066, 44713599, 59618132, 89427198, 178854396]

約数ペア:

[(1, 178854396), (2, 89427198), (3, 59618132), (4, 44713599), (6, 29809066), (7, 25550628), (12, 14904533), (14, 12775314), (21, 8516876), (28, 6387657), (42, 4258438), (71, 2519076), (84, 2129219), (142, 1259538), (213, 839692), (284, 629769), (426, 419846), (497, 359868), (852, 209923), (994, 179934), (1491, 119956), (1988, 89967), (2982, 59978), (5964, 29989)]