16388540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2389}}^1$

素因数の和:2419

約数の個数: 48

約数和(自身を含む): 40152000

約数和(自身を除く): 23763460

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, 2389, 3430, 4778, 6860, 9556, 11945, 16723, 23890, 33446, 47780, 66892, 83615, 117061, 167230, 234122, 334460, 468244, 585305, 819427, 1170610, 1638854, 2341220, 3277708, 4097135, 8194270, 16388540]

約数ペア:

[(1, 16388540), (2, 8194270), (4, 4097135), (5, 3277708), (7, 2341220), (10, 1638854), (14, 1170610), (20, 819427), (28, 585305), (35, 468244), (49, 334460), (70, 234122), (98, 167230), (140, 117061), (196, 83615), (245, 66892), (343, 47780), (490, 33446), (686, 23890), (980, 16723), (1372, 11945), (1715, 9556), (2389, 6860), (3430, 4778)]