201405680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 549607680

約数和(自身を除く): 348202000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 191, 196, 245, 269, 280, 382, 392, 490, 538, 560, 764, 784, 955, 980, 1076, 1337, 1345, 1528, 1883, 1910, 1960, 2152, 2674, 2690, 3056, 3766, 3820, 3920, 4304, 5348, 5380, 6685, 7532, 7640, 9359, 9415, 10696, 10760, 13181, 13370, 15064, 15280, 18718, 18830, 21392, 21520, 26362, 26740, 30128, 37436, 37660, 46795, 51379, 52724, 53480, 65905, 74872, 75320, 93590, 102758, 105448, 106960, 131810, 149744, 150640, 187180, 205516, 210896, 256895, 263620, 359653, 374360, 411032, 513790, 527240, 719306, 748720, 822064, 1027580, 1054480, 1438612, 1798265, 2055160, 2517571, 2877224, 3596530, 4110320, 5035142, 5754448, 7193060, 10070284, 12587855, 14386120, 20140568, 25175710, 28772240, 40281136, 50351420, 100702840, 201405680]

約数ペア:

[(1, 201405680), (2, 100702840), (4, 50351420), (5, 40281136), (7, 28772240), (8, 25175710), (10, 20140568), (14, 14386120), (16, 12587855), (20, 10070284), (28, 7193060), (35, 5754448), (40, 5035142), (49, 4110320), (56, 3596530), (70, 2877224), (80, 2517571), (98, 2055160), (112, 1798265), (140, 1438612), (191, 1054480), (196, 1027580), (245, 822064), (269, 748720), (280, 719306), (382, 527240), (392, 513790), (490, 411032), (538, 374360), (560, 359653), (764, 263620), (784, 256895), (955, 210896), (980, 205516), (1076, 187180), (1337, 150640), (1345, 149744), (1528, 131810), (1883, 106960), (1910, 105448), (1960, 102758), (2152, 93590), (2674, 75320), (2690, 74872), (3056, 65905), (3766, 53480), (3820, 52724), (3920, 51379), (4304, 46795), (5348, 37660), (5380, 37436), (6685, 30128), (7532, 26740), (7640, 26362), (9359, 21520), (9415, 21392), (10696, 18830), (10760, 18718), (13181, 15280), (13370, 15064)]