140828940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{2281}}^1$

素因数の和:2317

約数の個数: 144

約数和(自身を含む): 498388800

約数和(自身を除く): 357559860

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, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2281, 2940, 3087, 3430, 4116, 4410, 4562, 5145, 6174, 6843, 6860, 8820, 9124, 10290, 11405, 12348, 13686, 15435, 15967, 20529, 20580, 22810, 27372, 30870, 31934, 34215, 41058, 45620, 47901, 61740, 63868, 68430, 79835, 82116, 95802, 102645, 111769, 136860, 143703, 159670, 191604, 205290, 223538, 239505, 287406, 319340, 335307, 410580, 447076, 479010, 558845, 574812, 670614, 718515, 782383, 958020, 1005921, 1117690, 1341228, 1437030, 1564766, 1676535, 2011842, 2235380, 2347149, 2874060, 3129532, 3353070, 3911915, 4023684, 4694298, 5029605, 6706140, 7041447, 7823830, 9388596, 10059210, 11735745, 14082894, 15647660, 20118420, 23471490, 28165788, 35207235, 46942980, 70414470, 140828940]

約数ペア:

[(1, 140828940), (2, 70414470), (3, 46942980), (4, 35207235), (5, 28165788), (6, 23471490), (7, 20118420), (9, 15647660), (10, 14082894), (12, 11735745), (14, 10059210), (15, 9388596), (18, 7823830), (20, 7041447), (21, 6706140), (28, 5029605), (30, 4694298), (35, 4023684), (36, 3911915), (42, 3353070), (45, 3129532), (49, 2874060), (60, 2347149), (63, 2235380), (70, 2011842), (84, 1676535), (90, 1564766), (98, 1437030), (105, 1341228), (126, 1117690), (140, 1005921), (147, 958020), (180, 782383), (196, 718515), (210, 670614), (245, 574812), (252, 558845), (294, 479010), (315, 447076), (343, 410580), (420, 335307), (441, 319340), (490, 287406), (588, 239505), (630, 223538), (686, 205290), (735, 191604), (882, 159670), (980, 143703), (1029, 136860), (1260, 111769), (1372, 102645), (1470, 95802), (1715, 82116), (1764, 79835), (2058, 68430), (2205, 63868), (2281, 61740), (2940, 47901), (3087, 45620), (3430, 41058), (4116, 34215), (4410, 31934), (4562, 30870), (5145, 27372), (6174, 22810), (6843, 20580), (6860, 20529), (8820, 15967), (9124, 15435), (10290, 13686), (11405, 12348)]