30341780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4423}}^1$

素因数の和:4453

約数の個数: 48

約数和(自身を含む): 74323200

約数和(自身を除く): 43981420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4423, 6860, 8846, 17692, 22115, 30961, 44230, 61922, 88460, 123844, 154805, 216727, 309610, 433454, 619220, 866908, 1083635, 1517089, 2167270, 3034178, 4334540, 6068356, 7585445, 15170890, 30341780]

約数ペア:

[(1, 30341780), (2, 15170890), (4, 7585445), (5, 6068356), (7, 4334540), (10, 3034178), (14, 2167270), (20, 1517089), (28, 1083635), (35, 866908), (49, 619220), (70, 433454), (98, 309610), (140, 216727), (196, 154805), (245, 123844), (343, 88460), (490, 61922), (686, 44230), (980, 30961), (1372, 22115), (1715, 17692), (3430, 8846), (4423, 6860)]