268342280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 649857600

約数和(自身を除く): 381515320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 167, 170, 278, 289, 334, 340, 556, 578, 668, 680, 695, 835, 1112, 1156, 1336, 1390, 1445, 1670, 2312, 2363, 2780, 2839, 2890, 3340, 4726, 5560, 5678, 5780, 6680, 9452, 11356, 11560, 11815, 14195, 18904, 22712, 23213, 23630, 28390, 40171, 46426, 47260, 48263, 56780, 80342, 92852, 94520, 96526, 113560, 116065, 160684, 185704, 193052, 200855, 232130, 241315, 321368, 386104, 394621, 401710, 464260, 482630, 789242, 803420, 928520, 965260, 1578484, 1606840, 1930520, 1973105, 3156968, 3946210, 6708557, 7892420, 13417114, 15784840, 26834228, 33542785, 53668456, 67085570, 134171140, 268342280]

約数ペア:

[(1, 268342280), (2, 134171140), (4, 67085570), (5, 53668456), (8, 33542785), (10, 26834228), (17, 15784840), (20, 13417114), (34, 7892420), (40, 6708557), (68, 3946210), (85, 3156968), (136, 1973105), (139, 1930520), (167, 1606840), (170, 1578484), (278, 965260), (289, 928520), (334, 803420), (340, 789242), (556, 482630), (578, 464260), (668, 401710), (680, 394621), (695, 386104), (835, 321368), (1112, 241315), (1156, 232130), (1336, 200855), (1390, 193052), (1445, 185704), (1670, 160684), (2312, 116065), (2363, 113560), (2780, 96526), (2839, 94520), (2890, 92852), (3340, 80342), (4726, 56780), (5560, 48263), (5678, 47260), (5780, 46426), (6680, 40171), (9452, 28390), (11356, 23630), (11560, 23213), (11815, 22712), (14195, 18904)]