444133040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{839}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 1115553600

約数和(自身を除く): 671420560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 509, 520, 839, 1018, 1040, 1678, 2036, 2545, 3356, 4072, 4195, 5090, 6617, 6712, 8144, 8390, 10180, 10907, 13234, 13424, 16780, 20360, 21814, 26468, 33085, 33560, 40720, 43628, 52936, 54535, 66170, 67120, 87256, 105872, 109070, 132340, 174512, 218140, 264680, 427051, 436280, 529360, 854102, 872560, 1708204, 2135255, 3416408, 4270510, 5551663, 6832816, 8541020, 11103326, 17082040, 22206652, 27758315, 34164080, 44413304, 55516630, 88826608, 111033260, 222066520, 444133040]

約数ペア:

[(1, 444133040), (2, 222066520), (4, 111033260), (5, 88826608), (8, 55516630), (10, 44413304), (13, 34164080), (16, 27758315), (20, 22206652), (26, 17082040), (40, 11103326), (52, 8541020), (65, 6832816), (80, 5551663), (104, 4270510), (130, 3416408), (208, 2135255), (260, 1708204), (509, 872560), (520, 854102), (839, 529360), (1018, 436280), (1040, 427051), (1678, 264680), (2036, 218140), (2545, 174512), (3356, 132340), (4072, 109070), (4195, 105872), (5090, 87256), (6617, 67120), (6712, 66170), (8144, 54535), (8390, 52936), (10180, 43628), (10907, 40720), (13234, 33560), (13424, 33085), (16780, 26468), (20360, 21814)]