313936690640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9221}}^1\times {\mathrm{5387}}^1$

素因数の和:14700

約数の個数: 80

約数和(自身を含む): 739359463680

約数和(自身を除く): 425422773040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 5387, 6320, 9221, 10774, 18442, 21548, 26935, 36884, 43096, 46105, 53870, 73768, 86192, 92210, 107740, 147536, 184420, 215480, 368840, 425573, 430960, 728459, 737680, 851146, 1456918, 1702292, 2127865, 2913836, 3404584, 3642295, 4255730, 5827672, 6809168, 7284590, 8511460, 11655344, 14569180, 17022920, 29138360, 34045840, 49673527, 58276720, 99347054, 198694108, 248367635, 397388216, 496735270, 794776432, 993470540, 1986941080, 3924208633, 3973882160, 7848417266, 15696834532, 19621043165, 31393669064, 39242086330, 62787338128, 78484172660, 156968345320, 313936690640]

約数ペア:

[(1, 313936690640), (2, 156968345320), (4, 78484172660), (5, 62787338128), (8, 39242086330), (10, 31393669064), (16, 19621043165), (20, 15696834532), (40, 7848417266), (79, 3973882160), (80, 3924208633), (158, 1986941080), (316, 993470540), (395, 794776432), (632, 496735270), (790, 397388216), (1264, 248367635), (1580, 198694108), (3160, 99347054), (5387, 58276720), (6320, 49673527), (9221, 34045840), (10774, 29138360), (18442, 17022920), (21548, 14569180), (26935, 11655344), (36884, 8511460), (43096, 7284590), (46105, 6809168), (53870, 5827672), (73768, 4255730), (86192, 3642295), (92210, 3404584), (107740, 2913836), (147536, 2127865), (184420, 1702292), (215480, 1456918), (368840, 851146), (425573, 737680), (430960, 728459)]