971998440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2763

約数の個数: 128

約数和(自身を含む): 3340465920

約数和(自身を除く): 2368467480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 521, 840, 1042, 1563, 2084, 2221, 2605, 3126, 3647, 4168, 4442, 5210, 6252, 6663, 7294, 7815, 8884, 10420, 10941, 11105, 12504, 13326, 14588, 15547, 15630, 17768, 18235, 20840, 21882, 22210, 26652, 29176, 31094, 31260, 33315, 36470, 43764, 44420, 46641, 53304, 54705, 62188, 62520, 66630, 72940, 77735, 87528, 88840, 93282, 109410, 124376, 133260, 145880, 155470, 186564, 218820, 233205, 266520, 310940, 373128, 437640, 466410, 621880, 932820, 1157141, 1865640, 2314282, 3471423, 4628564, 5785705, 6942846, 8099987, 9257128, 11571410, 13885692, 16199974, 17357115, 23142820, 24299961, 27771384, 32399948, 34714230, 40499935, 46285640, 48599922, 64799896, 69428460, 80999870, 97199844, 121499805, 138856920, 161999740, 194399688, 242999610, 323999480, 485999220, 971998440]

約数ペア:

[(1, 971998440), (2, 485999220), (3, 323999480), (4, 242999610), (5, 194399688), (6, 161999740), (7, 138856920), (8, 121499805), (10, 97199844), (12, 80999870), (14, 69428460), (15, 64799896), (20, 48599922), (21, 46285640), (24, 40499935), (28, 34714230), (30, 32399948), (35, 27771384), (40, 24299961), (42, 23142820), (56, 17357115), (60, 16199974), (70, 13885692), (84, 11571410), (105, 9257128), (120, 8099987), (140, 6942846), (168, 5785705), (210, 4628564), (280, 3471423), (420, 2314282), (521, 1865640), (840, 1157141), (1042, 932820), (1563, 621880), (2084, 466410), (2221, 437640), (2605, 373128), (3126, 310940), (3647, 266520), (4168, 233205), (4442, 218820), (5210, 186564), (6252, 155470), (6663, 145880), (7294, 133260), (7815, 124376), (8884, 109410), (10420, 93282), (10941, 88840), (11105, 87528), (12504, 77735), (13326, 72940), (14588, 66630), (15547, 62520), (15630, 62188), (17768, 54705), (18235, 53304), (20840, 46641), (21882, 44420), (22210, 43764), (26652, 36470), (29176, 33315), (31094, 31260)]