397822880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 1173553920

約数和(自身を除く): 775731040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 89, 91, 104, 112, 130, 140, 160, 178, 182, 208, 224, 260, 280, 307, 356, 364, 416, 445, 455, 520, 560, 614, 623, 712, 728, 890, 910, 1040, 1120, 1157, 1228, 1246, 1424, 1456, 1535, 1780, 1820, 2080, 2149, 2314, 2456, 2492, 2848, 2912, 3070, 3115, 3560, 3640, 3991, 4298, 4628, 4912, 4984, 5785, 6140, 6230, 7120, 7280, 7982, 8099, 8596, 9256, 9824, 9968, 10745, 11570, 12280, 12460, 14240, 14560, 15964, 16198, 17192, 18512, 19936, 19955, 21490, 23140, 24560, 24920, 27323, 27937, 31928, 32396, 34384, 37024, 39910, 40495, 42980, 46280, 49120, 49840, 54646, 55874, 63856, 64792, 68768, 79820, 80990, 85960, 92560, 99680, 109292, 111748, 127712, 129584, 136615, 139685, 159640, 161980, 171920, 185120, 191261, 218584, 223496, 259168, 273230, 279370, 319280, 323960, 343840, 355199, 382522, 437168, 446992, 546460, 558740, 638560, 647920, 710398, 765044, 874336, 893984, 956305, 1092920, 1117480, 1295840, 1420796, 1530088, 1775995, 1912610, 2185840, 2234960, 2486393, 2841592, 3060176, 3551990, 3825220, 4371680, 4469920, 4972786, 5683184, 6120352, 7103980, 7650440, 9945572, 11366368, 12431965, 14207960, 15300880, 19891144, 24863930, 28415920, 30601760, 39782288, 49727860, 56831840, 79564576, 99455720, 198911440, 397822880]

約数ペア:

[(1, 397822880), (2, 198911440), (4, 99455720), (5, 79564576), (7, 56831840), (8, 49727860), (10, 39782288), (13, 30601760), (14, 28415920), (16, 24863930), (20, 19891144), (26, 15300880), (28, 14207960), (32, 12431965), (35, 11366368), (40, 9945572), (52, 7650440), (56, 7103980), (65, 6120352), (70, 5683184), (80, 4972786), (89, 4469920), (91, 4371680), (104, 3825220), (112, 3551990), (130, 3060176), (140, 2841592), (160, 2486393), (178, 2234960), (182, 2185840), (208, 1912610), (224, 1775995), (260, 1530088), (280, 1420796), (307, 1295840), (356, 1117480), (364, 1092920), (416, 956305), (445, 893984), (455, 874336), (520, 765044), (560, 710398), (614, 647920), (623, 638560), (712, 558740), (728, 546460), (890, 446992), (910, 437168), (1040, 382522), (1120, 355199), (1157, 343840), (1228, 323960), (1246, 319280), (1424, 279370), (1456, 273230), (1535, 259168), (1780, 223496), (1820, 218584), (2080, 191261), (2149, 185120), (2314, 171920), (2456, 161980), (2492, 159640), (2848, 139685), (2912, 136615), (3070, 129584), (3115, 127712), (3560, 111748), (3640, 109292), (3991, 99680), (4298, 92560), (4628, 85960), (4912, 80990), (4984, 79820), (5785, 68768), (6140, 64792), (6230, 63856), (7120, 55874), (7280, 54646), (7982, 49840), (8099, 49120), (8596, 46280), (9256, 42980), (9824, 40495), (9968, 39910), (10745, 37024), (11570, 34384), (12280, 32396), (12460, 31928), (14240, 27937), (14560, 27323), (15964, 24920), (16198, 24560), (17192, 23140), (18512, 21490), (19936, 19955)]