7740460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1$

素因数の和:4282

約数の個数: 48

約数和(自身を含む): 20010816

約数和(自身を除く): 12270356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4253, 8506, 17012, 21265, 29771, 42530, 55289, 59542, 85060, 110578, 119084, 148855, 221156, 276445, 297710, 387023, 552890, 595420, 774046, 1105780, 1548092, 1935115, 3870230, 7740460]

約数ペア:

[(1, 7740460), (2, 3870230), (4, 1935115), (5, 1548092), (7, 1105780), (10, 774046), (13, 595420), (14, 552890), (20, 387023), (26, 297710), (28, 276445), (35, 221156), (52, 148855), (65, 119084), (70, 110578), (91, 85060), (130, 59542), (140, 55289), (182, 42530), (260, 29771), (364, 21265), (455, 17012), (910, 8506), (1820, 4253)]