2049877480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1887

約数の個数: 128

約数和(自身を含む): 5483520000

約数和(自身を除く): 3433642520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 139, 140, 155, 217, 248, 278, 280, 310, 434, 556, 620, 695, 868, 973, 1085, 1112, 1240, 1390, 1699, 1736, 1946, 2170, 2780, 3398, 3892, 4309, 4340, 4865, 5560, 6796, 7784, 8495, 8618, 8680, 9730, 11893, 13592, 16990, 17236, 19460, 21545, 23786, 30163, 33980, 34472, 38920, 43090, 47572, 52669, 59465, 60326, 67960, 86180, 95144, 105338, 118930, 120652, 150815, 172360, 210676, 236161, 237860, 241304, 263345, 301630, 368683, 421352, 472322, 475720, 526690, 603260, 737366, 944644, 1053380, 1180805, 1206520, 1474732, 1653127, 1843415, 1889288, 2106760, 2361610, 2949464, 3306254, 3686830, 4723220, 6612508, 7320991, 7373660, 8265635, 9446440, 13225016, 14641982, 14747320, 16531270, 29283964, 33062540, 36604955, 51246937, 58567928, 66125080, 73209910, 102493874, 146419820, 204987748, 256234685, 292839640, 409975496, 512469370, 1024938740, 2049877480]

約数ペア:

[(1, 2049877480), (2, 1024938740), (4, 512469370), (5, 409975496), (7, 292839640), (8, 256234685), (10, 204987748), (14, 146419820), (20, 102493874), (28, 73209910), (31, 66125080), (35, 58567928), (40, 51246937), (56, 36604955), (62, 33062540), (70, 29283964), (124, 16531270), (139, 14747320), (140, 14641982), (155, 13225016), (217, 9446440), (248, 8265635), (278, 7373660), (280, 7320991), (310, 6612508), (434, 4723220), (556, 3686830), (620, 3306254), (695, 2949464), (868, 2361610), (973, 2106760), (1085, 1889288), (1112, 1843415), (1240, 1653127), (1390, 1474732), (1699, 1206520), (1736, 1180805), (1946, 1053380), (2170, 944644), (2780, 737366), (3398, 603260), (3892, 526690), (4309, 475720), (4340, 472322), (4865, 421352), (5560, 368683), (6796, 301630), (7784, 263345), (8495, 241304), (8618, 237860), (8680, 236161), (9730, 210676), (11893, 172360), (13592, 150815), (16990, 120652), (17236, 118930), (19460, 105338), (21545, 95144), (23786, 86180), (30163, 67960), (33980, 60326), (34472, 59465), (38920, 52669), (43090, 47572)]