2021292800

素因数分解:

$2^8\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 5235133680

約数和(自身を除く): 3213840880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 59, 64, 80, 100, 101, 106, 118, 128, 160, 200, 202, 212, 236, 256, 265, 295, 320, 400, 404, 424, 472, 505, 530, 590, 640, 800, 808, 848, 944, 1010, 1060, 1180, 1280, 1325, 1475, 1600, 1616, 1696, 1888, 2020, 2120, 2360, 2525, 2650, 2950, 3127, 3200, 3232, 3392, 3776, 4040, 4240, 4720, 5050, 5300, 5353, 5900, 5959, 6254, 6400, 6464, 6784, 7552, 8080, 8480, 9440, 10100, 10600, 10706, 11800, 11918, 12508, 12928, 13568, 15104, 15635, 16160, 16960, 18880, 20200, 21200, 21412, 23600, 23836, 25016, 25856, 26765, 29795, 31270, 32320, 33920, 37760, 40400, 42400, 42824, 47200, 47672, 50032, 53530, 59590, 62540, 64640, 67840, 75520, 78175, 80800, 84800, 85648, 94400, 95344, 100064, 107060, 119180, 125080, 129280, 133825, 148975, 156350, 161600, 169600, 171296, 188800, 190688, 200128, 214120, 238360, 250160, 267650, 297950, 312700, 315827, 323200, 339200, 342592, 377600, 381376, 400256, 428240, 476720, 500320, 535300, 595900, 625400, 631654, 646400, 685184, 762752, 800512, 856480, 953440, 1000640, 1070600, 1191800, 1250800, 1263308, 1370368, 1525504, 1579135, 1712960, 1906880, 2001280, 2141200, 2383600, 2501600, 2526616, 3158270, 3425920, 3813760, 4002560, 4282400, 4767200, 5003200, 5053232, 6316540, 6851840, 7627520, 7895675, 8564800, 9534400, 10006400, 10106464, 12633080, 15791350, 17129600, 19068800, 20012800, 20212928, 25266160, 31582700, 34259200, 38137600, 40425856, 50532320, 63165400, 80851712, 101064640, 126330800, 202129280, 252661600, 404258560, 505323200, 1010646400, 2021292800]

約数ペア:

[(1, 2021292800), (2, 1010646400), (4, 505323200), (5, 404258560), (8, 252661600), (10, 202129280), (16, 126330800), (20, 101064640), (25, 80851712), (32, 63165400), (40, 50532320), (50, 40425856), (53, 38137600), (59, 34259200), (64, 31582700), (80, 25266160), (100, 20212928), (101, 20012800), (106, 19068800), (118, 17129600), (128, 15791350), (160, 12633080), (200, 10106464), (202, 10006400), (212, 9534400), (236, 8564800), (256, 7895675), (265, 7627520), (295, 6851840), (320, 6316540), (400, 5053232), (404, 5003200), (424, 4767200), (472, 4282400), (505, 4002560), (530, 3813760), (590, 3425920), (640, 3158270), (800, 2526616), (808, 2501600), (848, 2383600), (944, 2141200), (1010, 2001280), (1060, 1906880), (1180, 1712960), (1280, 1579135), (1325, 1525504), (1475, 1370368), (1600, 1263308), (1616, 1250800), (1696, 1191800), (1888, 1070600), (2020, 1000640), (2120, 953440), (2360, 856480), (2525, 800512), (2650, 762752), (2950, 685184), (3127, 646400), (3200, 631654), (3232, 625400), (3392, 595900), (3776, 535300), (4040, 500320), (4240, 476720), (4720, 428240), (5050, 400256), (5300, 381376), (5353, 377600), (5900, 342592), (5959, 339200), (6254, 323200), (6400, 315827), (6464, 312700), (6784, 297950), (7552, 267650), (8080, 250160), (8480, 238360), (9440, 214120), (10100, 200128), (10600, 190688), (10706, 188800), (11800, 171296), (11918, 169600), (12508, 161600), (12928, 156350), (13568, 148975), (15104, 133825), (15635, 129280), (16160, 125080), (16960, 119180), (18880, 107060), (20200, 100064), (21200, 95344), (21412, 94400), (23600, 85648), (23836, 84800), (25016, 80800), (25856, 78175), (26765, 75520), (29795, 67840), (31270, 64640), (32320, 62540), (33920, 59590), (37760, 53530), (40400, 50032), (42400, 47672), (42824, 47200)]