2801471720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{20593}}^1$

素因数の和:20802

約数の個数: 64

約数和(自身を含む): 6672456000

約数和(自身を除く): 3870984280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 358, 380, 716, 760, 895, 1432, 1790, 3401, 3580, 6802, 7160, 13604, 17005, 20593, 27208, 34010, 41186, 68020, 82372, 102965, 136040, 164744, 205930, 391267, 411860, 782534, 823720, 1565068, 1956335, 3130136, 3686147, 3912670, 7372294, 7825340, 14744588, 15650680, 18430735, 29489176, 36861470, 70036793, 73722940, 140073586, 147445880, 280147172, 350183965, 560294344, 700367930, 1400735860, 2801471720]

約数ペア:

[(1, 2801471720), (2, 1400735860), (4, 700367930), (5, 560294344), (8, 350183965), (10, 280147172), (19, 147445880), (20, 140073586), (38, 73722940), (40, 70036793), (76, 36861470), (95, 29489176), (152, 18430735), (179, 15650680), (190, 14744588), (358, 7825340), (380, 7372294), (716, 3912670), (760, 3686147), (895, 3130136), (1432, 1956335), (1790, 1565068), (3401, 823720), (3580, 782534), (6802, 411860), (7160, 391267), (13604, 205930), (17005, 164744), (20593, 136040), (27208, 102965), (34010, 82372), (41186, 68020)]