280148388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2097

約数の個数: 96

約数和(自身を含む): 757155840

約数和(自身を除く): 477007452

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 47, 52, 57, 76, 78, 94, 114, 141, 156, 188, 228, 247, 282, 494, 564, 611, 741, 893, 988, 1222, 1482, 1786, 1833, 2011, 2444, 2679, 2964, 3572, 3666, 4022, 5358, 6033, 7332, 8044, 10716, 11609, 12066, 23218, 24132, 26143, 34827, 38209, 46436, 52286, 69654, 76418, 78429, 94517, 104572, 114627, 139308, 152836, 156858, 189034, 229254, 283551, 313716, 378068, 458508, 496717, 567102, 993434, 1134204, 1228721, 1490151, 1795823, 1986868, 2457442, 2980302, 3591646, 3686163, 4914884, 5387469, 5960604, 7183292, 7372326, 10774938, 14744652, 21549876, 23345699, 46691398, 70037097, 93382796, 140074194, 280148388]

約数ペア:

[(1, 280148388), (2, 140074194), (3, 93382796), (4, 70037097), (6, 46691398), (12, 23345699), (13, 21549876), (19, 14744652), (26, 10774938), (38, 7372326), (39, 7183292), (47, 5960604), (52, 5387469), (57, 4914884), (76, 3686163), (78, 3591646), (94, 2980302), (114, 2457442), (141, 1986868), (156, 1795823), (188, 1490151), (228, 1228721), (247, 1134204), (282, 993434), (494, 567102), (564, 496717), (611, 458508), (741, 378068), (893, 313716), (988, 283551), (1222, 229254), (1482, 189034), (1786, 156858), (1833, 152836), (2011, 139308), (2444, 114627), (2679, 104572), (2964, 94517), (3572, 78429), (3666, 76418), (4022, 69654), (5358, 52286), (6033, 46436), (7332, 38209), (8044, 34827), (10716, 26143), (11609, 24132), (12066, 23218)]