490709504

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:801

約数の個数: 80

約数和(自身を含む): 1047715680

約数和(自身を除く): 557006176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 73, 76, 128, 146, 152, 256, 292, 304, 512, 584, 608, 691, 1168, 1216, 1382, 1387, 2336, 2432, 2764, 2774, 4672, 4864, 5528, 5548, 9344, 9728, 11056, 11096, 13129, 18688, 22112, 22192, 26258, 37376, 44224, 44384, 50443, 52516, 88448, 88768, 100886, 105032, 176896, 177536, 201772, 210064, 353792, 355072, 403544, 420128, 710144, 807088, 840256, 958417, 1614176, 1680512, 1916834, 3228352, 3361024, 3833668, 6456704, 6722048, 7667336, 12913408, 15334672, 25826816, 30669344, 61338688, 122677376, 245354752, 490709504]

約数ペア:

[(1, 490709504), (2, 245354752), (4, 122677376), (8, 61338688), (16, 30669344), (19, 25826816), (32, 15334672), (38, 12913408), (64, 7667336), (73, 6722048), (76, 6456704), (128, 3833668), (146, 3361024), (152, 3228352), (256, 1916834), (292, 1680512), (304, 1614176), (512, 958417), (584, 840256), (608, 807088), (691, 710144), (1168, 420128), (1216, 403544), (1382, 355072), (1387, 353792), (2336, 210064), (2432, 201772), (2764, 177536), (2774, 176896), (4672, 105032), (4864, 100886), (5528, 88768), (5548, 88448), (9344, 52516), (9728, 50443), (11056, 44384), (11096, 44224), (13129, 37376), (18688, 26258), (22112, 22192)]