1240778840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1789}}^1\times {\mathrm{2477}}^1$

素因数の和:4284

約数の個数: 64

約数和(自身を含む): 3193646400

約数和(自身を除く): 1952867560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1789, 2477, 3578, 4954, 7156, 8945, 9908, 12385, 12523, 14312, 17339, 17890, 19816, 24770, 25046, 34678, 35780, 49540, 50092, 62615, 69356, 71560, 86695, 99080, 100184, 125230, 138712, 173390, 250460, 346780, 500920, 693560, 4431353, 8862706, 17725412, 22156765, 31019471, 35450824, 44313530, 62038942, 88627060, 124077884, 155097355, 177254120, 248155768, 310194710, 620389420, 1240778840]

約数ペア:

[(1, 1240778840), (2, 620389420), (4, 310194710), (5, 248155768), (7, 177254120), (8, 155097355), (10, 124077884), (14, 88627060), (20, 62038942), (28, 44313530), (35, 35450824), (40, 31019471), (56, 22156765), (70, 17725412), (140, 8862706), (280, 4431353), (1789, 693560), (2477, 500920), (3578, 346780), (4954, 250460), (7156, 173390), (8945, 138712), (9908, 125230), (12385, 100184), (12523, 99080), (14312, 86695), (17339, 71560), (17890, 69356), (19816, 62615), (24770, 50092), (25046, 49540), (34678, 35780)]