3551420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 7874496

約数和(自身を除く): 4323076

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 71, 82, 122, 142, 164, 205, 244, 284, 305, 355, 410, 610, 710, 820, 1220, 1420, 2501, 2911, 4331, 5002, 5822, 8662, 10004, 11644, 12505, 14555, 17324, 21655, 25010, 29110, 43310, 50020, 58220, 86620, 177571, 355142, 710284, 887855, 1775710, 3551420]

約数ペア:

[(1, 3551420), (2, 1775710), (4, 887855), (5, 710284), (10, 355142), (20, 177571), (41, 86620), (61, 58220), (71, 50020), (82, 43310), (122, 29110), (142, 25010), (164, 21655), (205, 17324), (244, 14555), (284, 12505), (305, 11644), (355, 10004), (410, 8662), (610, 5822), (710, 5002), (820, 4331), (1220, 2911), (1420, 2501)]