28989080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 40994920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 479, 680, 712, 890, 958, 1513, 1780, 1916, 2395, 3026, 3560, 3832, 4790, 6052, 7565, 8143, 9580, 12104, 15130, 16286, 19160, 30260, 32572, 40715, 42631, 60520, 65144, 81430, 85262, 162860, 170524, 213155, 325720, 341048, 426310, 724727, 852620, 1449454, 1705240, 2898908, 3623635, 5797816, 7247270, 14494540, 28989080]

約数ペア:

[(1, 28989080), (2, 14494540), (4, 7247270), (5, 5797816), (8, 3623635), (10, 2898908), (17, 1705240), (20, 1449454), (34, 852620), (40, 724727), (68, 426310), (85, 341048), (89, 325720), (136, 213155), (170, 170524), (178, 162860), (340, 85262), (356, 81430), (445, 65144), (479, 60520), (680, 42631), (712, 40715), (890, 32572), (958, 30260), (1513, 19160), (1780, 16286), (1916, 15130), (2395, 12104), (3026, 9580), (3560, 8143), (3832, 7565), (4790, 6052)]