389900520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19001}}^1$

素因数の和:19040

約数の個数: 128

約数和(自身を含む): 1368144000

約数和(自身を除く): 978243480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 19001, 20520, 38002, 57003, 76004, 95005, 114006, 152008, 171009, 190010, 228012, 285015, 342018, 361019, 380020, 456024, 513027, 570030, 684036, 722038, 760040, 855045, 1026054, 1083057, 1140060, 1368072, 1444076, 1710090, 1805095, 2052108, 2166114, 2280120, 2565135, 2888152, 3249171, 3420180, 3610190, 4104216, 4332228, 5130270, 5415285, 6498342, 6840360, 7220380, 8664456, 9747513, 10260540, 10830570, 12996684, 14440760, 16245855, 19495026, 20521080, 21661140, 25993368, 32491710, 38990052, 43322280, 48737565, 64983420, 77980104, 97475130, 129966840, 194950260, 389900520]

約数ペア:

[(1, 389900520), (2, 194950260), (3, 129966840), (4, 97475130), (5, 77980104), (6, 64983420), (8, 48737565), (9, 43322280), (10, 38990052), (12, 32491710), (15, 25993368), (18, 21661140), (19, 20521080), (20, 19495026), (24, 16245855), (27, 14440760), (30, 12996684), (36, 10830570), (38, 10260540), (40, 9747513), (45, 8664456), (54, 7220380), (57, 6840360), (60, 6498342), (72, 5415285), (76, 5130270), (90, 4332228), (95, 4104216), (108, 3610190), (114, 3420180), (120, 3249171), (135, 2888152), (152, 2565135), (171, 2280120), (180, 2166114), (190, 2052108), (216, 1805095), (228, 1710090), (270, 1444076), (285, 1368072), (342, 1140060), (360, 1083057), (380, 1026054), (456, 855045), (513, 760040), (540, 722038), (570, 684036), (684, 570030), (760, 513027), (855, 456024), (1026, 380020), (1080, 361019), (1140, 342018), (1368, 285015), (1710, 228012), (2052, 190010), (2280, 171009), (2565, 152008), (3420, 114006), (4104, 95005), (5130, 76004), (6840, 57003), (10260, 38002), (19001, 20520)]