2021480000

素因数分解:

$2^6\times 5^4\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 140

約数和(自身を含む): 5074010172

約数和(自身を除く): 3052530172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 160, 194, 200, 250, 320, 388, 400, 485, 500, 521, 625, 776, 800, 970, 1000, 1042, 1250, 1552, 1600, 1940, 2000, 2084, 2425, 2500, 2605, 3104, 3880, 4000, 4168, 4850, 5000, 5210, 6208, 7760, 8000, 8336, 9700, 10000, 10420, 12125, 13025, 15520, 16672, 19400, 20000, 20840, 24250, 26050, 31040, 33344, 38800, 40000, 41680, 48500, 50537, 52100, 60625, 65125, 77600, 83360, 97000, 101074, 104200, 121250, 130250, 155200, 166720, 194000, 202148, 208400, 242500, 252685, 260500, 325625, 388000, 404296, 416800, 485000, 505370, 521000, 651250, 776000, 808592, 833600, 970000, 1010740, 1042000, 1263425, 1302500, 1617184, 1940000, 2021480, 2084000, 2526850, 2605000, 3234368, 3880000, 4042960, 4168000, 5053700, 5210000, 6317125, 8085920, 10107400, 10420000, 12634250, 16171840, 20214800, 20840000, 25268500, 31585625, 40429600, 50537000, 63171250, 80859200, 101074000, 126342500, 202148000, 252685000, 404296000, 505370000, 1010740000, 2021480000]

約数ペア:

[(1, 2021480000), (2, 1010740000), (4, 505370000), (5, 404296000), (8, 252685000), (10, 202148000), (16, 126342500), (20, 101074000), (25, 80859200), (32, 63171250), (40, 50537000), (50, 40429600), (64, 31585625), (80, 25268500), (97, 20840000), (100, 20214800), (125, 16171840), (160, 12634250), (194, 10420000), (200, 10107400), (250, 8085920), (320, 6317125), (388, 5210000), (400, 5053700), (485, 4168000), (500, 4042960), (521, 3880000), (625, 3234368), (776, 2605000), (800, 2526850), (970, 2084000), (1000, 2021480), (1042, 1940000), (1250, 1617184), (1552, 1302500), (1600, 1263425), (1940, 1042000), (2000, 1010740), (2084, 970000), (2425, 833600), (2500, 808592), (2605, 776000), (3104, 651250), (3880, 521000), (4000, 505370), (4168, 485000), (4850, 416800), (5000, 404296), (5210, 388000), (6208, 325625), (7760, 260500), (8000, 252685), (8336, 242500), (9700, 208400), (10000, 202148), (10420, 194000), (12125, 166720), (13025, 155200), (15520, 130250), (16672, 121250), (19400, 104200), (20000, 101074), (20840, 97000), (24250, 83360), (26050, 77600), (31040, 65125), (33344, 60625), (38800, 52100), (40000, 50537), (41680, 48500)]