828921320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{7193}}^1$

素因数の和:7314

約数の個数: 64

約数和(自身を含む): 1937200320

約数和(自身を除く): 1108279000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 860, 1340, 1720, 2680, 2881, 5762, 7193, 11524, 14386, 14405, 23048, 28772, 28810, 35965, 57544, 57620, 71930, 115240, 143860, 287720, 309299, 481931, 618598, 963862, 1237196, 1546495, 1927724, 2409655, 2474392, 3092990, 3855448, 4819310, 6185980, 9638620, 12371960, 19277240, 20723033, 41446066, 82892132, 103615165, 165784264, 207230330, 414460660, 828921320]

約数ペア:

[(1, 828921320), (2, 414460660), (4, 207230330), (5, 165784264), (8, 103615165), (10, 82892132), (20, 41446066), (40, 20723033), (43, 19277240), (67, 12371960), (86, 9638620), (134, 6185980), (172, 4819310), (215, 3855448), (268, 3092990), (335, 2474392), (344, 2409655), (430, 1927724), (536, 1546495), (670, 1237196), (860, 963862), (1340, 618598), (1720, 481931), (2680, 309299), (2881, 287720), (5762, 143860), (7193, 115240), (11524, 71930), (14386, 57620), (14405, 57544), (23048, 35965), (28772, 28810)]