28462140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 72438660

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, 343, 420, 441, 461, 490, 588, 630, 686, 735, 882, 922, 980, 1029, 1260, 1372, 1383, 1470, 1715, 1764, 1844, 2058, 2205, 2305, 2766, 2940, 3087, 3227, 3430, 4116, 4149, 4410, 4610, 5145, 5532, 6174, 6454, 6860, 6915, 8298, 8820, 9220, 9681, 10290, 12348, 12908, 13830, 15435, 16135, 16596, 19362, 20580, 20745, 22589, 27660, 29043, 30870, 32270, 38724, 41490, 45178, 48405, 58086, 61740, 64540, 67767, 82980, 90356, 96810, 112945, 116172, 135534, 145215, 158123, 193620, 203301, 225890, 271068, 290430, 316246, 338835, 406602, 451780, 474369, 580860, 632492, 677670, 790615, 813204, 948738, 1016505, 1355340, 1423107, 1581230, 1897476, 2033010, 2371845, 2846214, 3162460, 4066020, 4743690, 5692428, 7115535, 9487380, 14231070, 28462140]

約数ペア:

[(1, 28462140), (2, 14231070), (3, 9487380), (4, 7115535), (5, 5692428), (6, 4743690), (7, 4066020), (9, 3162460), (10, 2846214), (12, 2371845), (14, 2033010), (15, 1897476), (18, 1581230), (20, 1423107), (21, 1355340), (28, 1016505), (30, 948738), (35, 813204), (36, 790615), (42, 677670), (45, 632492), (49, 580860), (60, 474369), (63, 451780), (70, 406602), (84, 338835), (90, 316246), (98, 290430), (105, 271068), (126, 225890), (140, 203301), (147, 193620), (180, 158123), (196, 145215), (210, 135534), (245, 116172), (252, 112945), (294, 96810), (315, 90356), (343, 82980), (420, 67767), (441, 64540), (461, 61740), (490, 58086), (588, 48405), (630, 45178), (686, 41490), (735, 38724), (882, 32270), (922, 30870), (980, 29043), (1029, 27660), (1260, 22589), (1372, 20745), (1383, 20580), (1470, 19362), (1715, 16596), (1764, 16135), (1844, 15435), (2058, 13830), (2205, 12908), (2305, 12348), (2766, 10290), (2940, 9681), (3087, 9220), (3227, 8820), (3430, 8298), (4116, 6915), (4149, 6860), (4410, 6454), (4610, 6174), (5145, 5532)]