2078530020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{235661}}^1$

素因数の和:235690

約数の個数: 108

約数和(自身を含む): 7334272764

約数和(自身を除く): 5255742744

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 235661, 471322, 706983, 942644, 1178305, 1413966, 1649627, 2120949, 2356610, 2827932, 3299254, 3534915, 4241898, 4713220, 4948881, 6598508, 7069830, 8248135, 8483796, 9897762, 10604745, 11547389, 14139660, 14846643, 16496270, 19795524, 21209490, 23094778, 24744405, 29693286, 32992540, 34642167, 42418980, 46189556, 49488810, 57736945, 59386572, 69284334, 74233215, 98977620, 103926501, 115473890, 138568668, 148466430, 173210835, 207853002, 230947780, 296932860, 346421670, 415706004, 519632505, 692843340, 1039265010, 2078530020]

約数ペア:

[(1, 2078530020), (2, 1039265010), (3, 692843340), (4, 519632505), (5, 415706004), (6, 346421670), (7, 296932860), (9, 230947780), (10, 207853002), (12, 173210835), (14, 148466430), (15, 138568668), (18, 115473890), (20, 103926501), (21, 98977620), (28, 74233215), (30, 69284334), (35, 59386572), (36, 57736945), (42, 49488810), (45, 46189556), (49, 42418980), (60, 34642167), (63, 32992540), (70, 29693286), (84, 24744405), (90, 23094778), (98, 21209490), (105, 19795524), (126, 16496270), (140, 14846643), (147, 14139660), (180, 11547389), (196, 10604745), (210, 9897762), (245, 8483796), (252, 8248135), (294, 7069830), (315, 6598508), (420, 4948881), (441, 4713220), (490, 4241898), (588, 3534915), (630, 3299254), (735, 2827932), (882, 2356610), (980, 2120949), (1260, 1649627), (1470, 1413966), (1764, 1178305), (2205, 942644), (2940, 706983), (4410, 471322), (8820, 235661)]