7449320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 17677440

約数和(自身を除く): 10228120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 71, 86, 122, 142, 172, 215, 244, 284, 305, 344, 355, 430, 488, 568, 610, 710, 860, 1220, 1420, 1720, 2440, 2623, 2840, 3053, 4331, 5246, 6106, 8662, 10492, 12212, 13115, 15265, 17324, 20984, 21655, 24424, 26230, 30530, 34648, 43310, 52460, 61060, 86620, 104920, 122120, 173240, 186233, 372466, 744932, 931165, 1489864, 1862330, 3724660, 7449320]

約数ペア:

[(1, 7449320), (2, 3724660), (4, 1862330), (5, 1489864), (8, 931165), (10, 744932), (20, 372466), (40, 186233), (43, 173240), (61, 122120), (71, 104920), (86, 86620), (122, 61060), (142, 52460), (172, 43310), (215, 34648), (244, 30530), (284, 26230), (305, 24424), (344, 21655), (355, 20984), (430, 17324), (488, 15265), (568, 13115), (610, 12212), (710, 10492), (860, 8662), (1220, 6106), (1420, 5246), (1720, 4331), (2440, 3053), (2623, 2840)]