251457540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{246527}}^1$

素因数の和:246556

約数の個数: 48

約数和(自身を含む): 745500672

約数和(自身を除く): 494043132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 246527, 493054, 739581, 986108, 1232635, 1479162, 2465270, 2958324, 3697905, 4190959, 4930540, 7395810, 8381918, 12572877, 14791620, 16763836, 20954795, 25145754, 41909590, 50291508, 62864385, 83819180, 125728770, 251457540]

約数ペア:

[(1, 251457540), (2, 125728770), (3, 83819180), (4, 62864385), (5, 50291508), (6, 41909590), (10, 25145754), (12, 20954795), (15, 16763836), (17, 14791620), (20, 12572877), (30, 8381918), (34, 7395810), (51, 4930540), (60, 4190959), (68, 3697905), (85, 2958324), (102, 2465270), (170, 1479162), (204, 1232635), (255, 986108), (340, 739581), (510, 493054), (1020, 246527)]