4720242520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{2309}}^1$

素因数の和:2490

約数の個数: 128

約数和(自身を含む): 12474000000

約数和(自身を除く): 7753757480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 343, 392, 490, 596, 686, 745, 980, 1043, 1192, 1372, 1490, 1715, 1960, 2086, 2309, 2744, 2980, 3430, 4172, 4618, 5215, 5960, 6860, 7301, 8344, 9236, 10430, 11545, 13720, 14602, 16163, 18472, 20860, 23090, 29204, 32326, 36505, 41720, 46180, 51107, 58408, 64652, 73010, 80815, 92360, 102214, 113141, 129304, 146020, 161630, 204428, 226282, 255535, 292040, 323260, 344041, 408856, 452564, 511070, 565705, 646520, 688082, 791987, 905128, 1022140, 1131410, 1376164, 1583974, 1720205, 2044280, 2262820, 2408287, 2752328, 3167948, 3440410, 3959935, 4525640, 4816574, 6335896, 6880820, 7919870, 9633148, 12041435, 13761640, 15839740, 16858009, 19266296, 24082870, 31679480, 33716018, 48165740, 67432036, 84290045, 96331480, 118006063, 134864072, 168580090, 236012126, 337160180, 472024252, 590030315, 674320360, 944048504, 1180060630, 2360121260, 4720242520]

約数ペア:

[(1, 4720242520), (2, 2360121260), (4, 1180060630), (5, 944048504), (7, 674320360), (8, 590030315), (10, 472024252), (14, 337160180), (20, 236012126), (28, 168580090), (35, 134864072), (40, 118006063), (49, 96331480), (56, 84290045), (70, 67432036), (98, 48165740), (140, 33716018), (149, 31679480), (196, 24082870), (245, 19266296), (280, 16858009), (298, 15839740), (343, 13761640), (392, 12041435), (490, 9633148), (596, 7919870), (686, 6880820), (745, 6335896), (980, 4816574), (1043, 4525640), (1192, 3959935), (1372, 3440410), (1490, 3167948), (1715, 2752328), (1960, 2408287), (2086, 2262820), (2309, 2044280), (2744, 1720205), (2980, 1583974), (3430, 1376164), (4172, 1131410), (4618, 1022140), (5215, 905128), (5960, 791987), (6860, 688082), (7301, 646520), (8344, 565705), (9236, 511070), (10430, 452564), (11545, 408856), (13720, 344041), (14602, 323260), (16163, 292040), (18472, 255535), (20860, 226282), (23090, 204428), (29204, 161630), (32326, 146020), (36505, 129304), (41720, 113141), (46180, 102214), (51107, 92360), (58408, 80815), (64652, 73010)]