396681400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{6863}}^1$

素因数の和:6913

約数の個数: 72

約数和(自身を含む): 979870320

約数和(自身を除く): 583188920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 425, 578, 680, 850, 1156, 1445, 1700, 2312, 2890, 3400, 5780, 6863, 7225, 11560, 13726, 14450, 27452, 28900, 34315, 54904, 57800, 68630, 116671, 137260, 171575, 233342, 274520, 343150, 466684, 583355, 686300, 933368, 1166710, 1372600, 1983407, 2333420, 2916775, 3966814, 4666840, 5833550, 7933628, 9917035, 11667100, 15867256, 19834070, 23334200, 39668140, 49585175, 79336280, 99170350, 198340700, 396681400]

約数ペア:

[(1, 396681400), (2, 198340700), (4, 99170350), (5, 79336280), (8, 49585175), (10, 39668140), (17, 23334200), (20, 19834070), (25, 15867256), (34, 11667100), (40, 9917035), (50, 7933628), (68, 5833550), (85, 4666840), (100, 3966814), (136, 2916775), (170, 2333420), (200, 1983407), (289, 1372600), (340, 1166710), (425, 933368), (578, 686300), (680, 583355), (850, 466684), (1156, 343150), (1445, 274520), (1700, 233342), (2312, 171575), (2890, 137260), (3400, 116671), (5780, 68630), (6863, 57800), (7225, 54904), (11560, 34315), (13726, 28900), (14450, 27452)]