99770020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2153}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 240283008

約数和(自身を除く): 140512988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2153, 2317, 3310, 4306, 4634, 6620, 8612, 9268, 10765, 11585, 15071, 21530, 23170, 30142, 43060, 46340, 60284, 75355, 150710, 301420, 712643, 1425286, 2850572, 3563215, 4988501, 7126430, 9977002, 14252860, 19954004, 24942505, 49885010, 99770020]

約数ペア:

[(1, 99770020), (2, 49885010), (4, 24942505), (5, 19954004), (7, 14252860), (10, 9977002), (14, 7126430), (20, 4988501), (28, 3563215), (35, 2850572), (70, 1425286), (140, 712643), (331, 301420), (662, 150710), (1324, 75355), (1655, 60284), (2153, 46340), (2317, 43060), (3310, 30142), (4306, 23170), (4634, 21530), (6620, 15071), (8612, 11585), (9268, 10765)]