4442440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 10886400

約数和(自身を除く): 6443960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 139, 170, 188, 235, 278, 340, 376, 470, 556, 680, 695, 799, 940, 1112, 1390, 1598, 1880, 2363, 2780, 3196, 3995, 4726, 5560, 6392, 6533, 7990, 9452, 11815, 13066, 15980, 18904, 23630, 26132, 31960, 32665, 47260, 52264, 65330, 94520, 111061, 130660, 222122, 261320, 444244, 555305, 888488, 1110610, 2221220, 4442440]

約数ペア:

[(1, 4442440), (2, 2221220), (4, 1110610), (5, 888488), (8, 555305), (10, 444244), (17, 261320), (20, 222122), (34, 130660), (40, 111061), (47, 94520), (68, 65330), (85, 52264), (94, 47260), (136, 32665), (139, 31960), (170, 26132), (188, 23630), (235, 18904), (278, 15980), (340, 13066), (376, 11815), (470, 9452), (556, 7990), (680, 6533), (695, 6392), (799, 5560), (940, 4726), (1112, 3995), (1390, 3196), (1598, 2780), (1880, 2363)]