243656440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 567544320

約数和(自身を除く): 323887880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 808, 820, 1010, 1471, 1640, 2020, 2942, 4040, 4141, 5884, 7355, 8282, 11768, 14710, 16564, 20705, 29420, 33128, 41410, 58840, 60311, 82820, 120622, 148571, 165640, 241244, 297142, 301555, 482488, 594284, 603110, 742855, 1188568, 1206220, 1485710, 2412440, 2971420, 5942840, 6091411, 12182822, 24365644, 30457055, 48731288, 60914110, 121828220, 243656440]

約数ペア:

[(1, 243656440), (2, 121828220), (4, 60914110), (5, 48731288), (8, 30457055), (10, 24365644), (20, 12182822), (40, 6091411), (41, 5942840), (82, 2971420), (101, 2412440), (164, 1485710), (202, 1206220), (205, 1188568), (328, 742855), (404, 603110), (410, 594284), (505, 482488), (808, 301555), (820, 297142), (1010, 241244), (1471, 165640), (1640, 148571), (2020, 120622), (2942, 82820), (4040, 60311), (4141, 58840), (5884, 41410), (7355, 33128), (8282, 29420), (11768, 20705), (14710, 16564)]