259648060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4999}}^1$

素因数の和:5075

約数の個数: 72

約数和(自身を含む): 646380000

約数和(自身を除く): 386731940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 4999, 5194, 7420, 9998, 10388, 12985, 19996, 24995, 25970, 34993, 49990, 51940, 69986, 99980, 139972, 174965, 244951, 264947, 349930, 489902, 529894, 699860, 979804, 1059788, 1224755, 1324735, 1854629, 2449510, 2649470, 3709258, 4899020, 5298940, 7418516, 9273145, 12982403, 18546290, 25964806, 37092580, 51929612, 64912015, 129824030, 259648060]

約数ペア:

[(1, 259648060), (2, 129824030), (4, 64912015), (5, 51929612), (7, 37092580), (10, 25964806), (14, 18546290), (20, 12982403), (28, 9273145), (35, 7418516), (49, 5298940), (53, 4899020), (70, 3709258), (98, 2649470), (106, 2449510), (140, 1854629), (196, 1324735), (212, 1224755), (245, 1059788), (265, 979804), (371, 699860), (490, 529894), (530, 489902), (742, 349930), (980, 264947), (1060, 244951), (1484, 174965), (1855, 139972), (2597, 99980), (3710, 69986), (4999, 51940), (5194, 49990), (7420, 34993), (9998, 25970), (10388, 24995), (12985, 19996)]