280733768

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 382818232

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 79, 89, 92, 124, 158, 161, 178, 184, 217, 248, 316, 322, 356, 434, 553, 623, 632, 644, 712, 713, 868, 1106, 1246, 1288, 1426, 1736, 1817, 2047, 2212, 2449, 2492, 2759, 2852, 3634, 4094, 4424, 4898, 4984, 4991, 5518, 5704, 7031, 7268, 8188, 9796, 9982, 11036, 12719, 14062, 14329, 14536, 16376, 17143, 19313, 19592, 19964, 22072, 25438, 28124, 28658, 34286, 38626, 39928, 49217, 50876, 56248, 56327, 57316, 63457, 68572, 77252, 98434, 101752, 112654, 114632, 126914, 137144, 154504, 161713, 196868, 217961, 225308, 253828, 323426, 393736, 394289, 435922, 444199, 450616, 507656, 646852, 788578, 871844, 888398, 1131991, 1293704, 1525727, 1577156, 1743688, 1776796, 2263982, 3051454, 3154312, 3553592, 4527964, 5013103, 6102908, 9055928, 10026206, 12205816, 20052412, 35091721, 40104824, 70183442, 140366884, 280733768]

約数ペア:

[(1, 280733768), (2, 140366884), (4, 70183442), (7, 40104824), (8, 35091721), (14, 20052412), (23, 12205816), (28, 10026206), (31, 9055928), (46, 6102908), (56, 5013103), (62, 4527964), (79, 3553592), (89, 3154312), (92, 3051454), (124, 2263982), (158, 1776796), (161, 1743688), (178, 1577156), (184, 1525727), (217, 1293704), (248, 1131991), (316, 888398), (322, 871844), (356, 788578), (434, 646852), (553, 507656), (623, 450616), (632, 444199), (644, 435922), (712, 394289), (713, 393736), (868, 323426), (1106, 253828), (1246, 225308), (1288, 217961), (1426, 196868), (1736, 161713), (1817, 154504), (2047, 137144), (2212, 126914), (2449, 114632), (2492, 112654), (2759, 101752), (2852, 98434), (3634, 77252), (4094, 68572), (4424, 63457), (4898, 57316), (4984, 56327), (4991, 56248), (5518, 50876), (5704, 49217), (7031, 39928), (7268, 38626), (8188, 34286), (9796, 28658), (9982, 28124), (11036, 25438), (12719, 22072), (14062, 19964), (14329, 19592), (14536, 19313), (16376, 17143)]