201965000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 488843520

約数和(自身を除く): 286878520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1303, 1550, 2500, 2606, 3100, 3875, 5000, 5212, 6200, 6515, 7750, 10424, 13030, 15500, 19375, 26060, 31000, 32575, 38750, 40393, 52120, 65150, 77500, 80786, 130300, 155000, 161572, 162875, 201965, 260600, 323144, 325750, 403930, 651500, 807860, 814375, 1009825, 1303000, 1615720, 1628750, 2019650, 3257500, 4039300, 5049125, 6515000, 8078600, 10098250, 20196500, 25245625, 40393000, 50491250, 100982500, 201965000]

約数ペア:

[(1, 201965000), (2, 100982500), (4, 50491250), (5, 40393000), (8, 25245625), (10, 20196500), (20, 10098250), (25, 8078600), (31, 6515000), (40, 5049125), (50, 4039300), (62, 3257500), (100, 2019650), (124, 1628750), (125, 1615720), (155, 1303000), (200, 1009825), (248, 814375), (250, 807860), (310, 651500), (500, 403930), (620, 325750), (625, 323144), (775, 260600), (1000, 201965), (1240, 162875), (1250, 161572), (1303, 155000), (1550, 130300), (2500, 80786), (2606, 77500), (3100, 65150), (3875, 52120), (5000, 40393), (5212, 38750), (6200, 32575), (6515, 31000), (7750, 26060), (10424, 19375), (13030, 15500)]