127255380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{302989}}^1$

素因数の和:303008

約数の個数: 48

約数和(自身を含む): 407218560

約数和(自身を除く): 279963180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 302989, 605978, 908967, 1211956, 1514945, 1817934, 2120923, 3029890, 3635868, 4241846, 4544835, 6059780, 6362769, 8483692, 9089670, 10604615, 12725538, 18179340, 21209230, 25451076, 31813845, 42418460, 63627690, 127255380]

約数ペア:

[(1, 127255380), (2, 63627690), (3, 42418460), (4, 31813845), (5, 25451076), (6, 21209230), (7, 18179340), (10, 12725538), (12, 10604615), (14, 9089670), (15, 8483692), (20, 6362769), (21, 6059780), (28, 4544835), (30, 4241846), (35, 3635868), (42, 3029890), (60, 2120923), (70, 1817934), (84, 1514945), (105, 1211956), (140, 908967), (210, 605978), (420, 302989)]