351920240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 989936640

約数和(自身を除く): 638016400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 140, 161, 178, 184, 230, 280, 307, 322, 356, 368, 445, 460, 560, 614, 623, 644, 712, 805, 890, 920, 1228, 1246, 1288, 1424, 1535, 1610, 1780, 1840, 2047, 2149, 2456, 2492, 2576, 3070, 3115, 3220, 3560, 4094, 4298, 4912, 4984, 6140, 6230, 6440, 7061, 7120, 8188, 8596, 9968, 10235, 10745, 12280, 12460, 12880, 14122, 14329, 16376, 17192, 20470, 21490, 24560, 24920, 27323, 28244, 28658, 32752, 34384, 35305, 40940, 42980, 49427, 49840, 54646, 56488, 57316, 70610, 71645, 81880, 85960, 98854, 109292, 112976, 114632, 136615, 141220, 143290, 163760, 171920, 191261, 197708, 218584, 229264, 247135, 273230, 282440, 286580, 382522, 395416, 437168, 494270, 546460, 564880, 573160, 628429, 765044, 790832, 956305, 988540, 1092920, 1146320, 1256858, 1530088, 1912610, 1977080, 2185840, 2513716, 3060176, 3142145, 3825220, 3954160, 4399003, 5027432, 6284290, 7650440, 8798006, 10054864, 12568580, 15300880, 17596012, 21995015, 25137160, 35192024, 43990030, 50274320, 70384048, 87980060, 175960120, 351920240]

約数ペア:

[(1, 351920240), (2, 175960120), (4, 87980060), (5, 70384048), (7, 50274320), (8, 43990030), (10, 35192024), (14, 25137160), (16, 21995015), (20, 17596012), (23, 15300880), (28, 12568580), (35, 10054864), (40, 8798006), (46, 7650440), (56, 6284290), (70, 5027432), (80, 4399003), (89, 3954160), (92, 3825220), (112, 3142145), (115, 3060176), (140, 2513716), (161, 2185840), (178, 1977080), (184, 1912610), (230, 1530088), (280, 1256858), (307, 1146320), (322, 1092920), (356, 988540), (368, 956305), (445, 790832), (460, 765044), (560, 628429), (614, 573160), (623, 564880), (644, 546460), (712, 494270), (805, 437168), (890, 395416), (920, 382522), (1228, 286580), (1246, 282440), (1288, 273230), (1424, 247135), (1535, 229264), (1610, 218584), (1780, 197708), (1840, 191261), (2047, 171920), (2149, 163760), (2456, 143290), (2492, 141220), (2576, 136615), (3070, 114632), (3115, 112976), (3220, 109292), (3560, 98854), (4094, 85960), (4298, 81880), (4912, 71645), (4984, 70610), (6140, 57316), (6230, 56488), (6440, 54646), (7061, 49840), (7120, 49427), (8188, 42980), (8596, 40940), (9968, 35305), (10235, 34384), (10745, 32752), (12280, 28658), (12460, 28244), (12880, 27323), (14122, 24920), (14329, 24560), (16376, 21490), (17192, 20470)]