7102840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 16873920

約数和(自身を除く): 9771080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 71, 82, 122, 142, 164, 205, 244, 284, 305, 328, 355, 410, 488, 568, 610, 710, 820, 1220, 1420, 1640, 2440, 2501, 2840, 2911, 4331, 5002, 5822, 8662, 10004, 11644, 12505, 14555, 17324, 20008, 21655, 23288, 25010, 29110, 34648, 43310, 50020, 58220, 86620, 100040, 116440, 173240, 177571, 355142, 710284, 887855, 1420568, 1775710, 3551420, 7102840]

約数ペア:

[(1, 7102840), (2, 3551420), (4, 1775710), (5, 1420568), (8, 887855), (10, 710284), (20, 355142), (40, 177571), (41, 173240), (61, 116440), (71, 100040), (82, 86620), (122, 58220), (142, 50020), (164, 43310), (205, 34648), (244, 29110), (284, 25010), (305, 23288), (328, 21655), (355, 20008), (410, 17324), (488, 14555), (568, 12505), (610, 11644), (710, 10004), (820, 8662), (1220, 5822), (1420, 5002), (1640, 4331), (2440, 2911), (2501, 2840)]