201621920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2287}}^1$

素因数の和:2350

約数の個数: 96

約数和(自身を含む): 518918400

約数和(自身を除く): 317296480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 380, 464, 551, 580, 608, 760, 928, 1102, 1160, 1520, 2204, 2287, 2320, 2755, 3040, 4408, 4574, 4640, 5510, 8816, 9148, 11020, 11435, 17632, 18296, 22040, 22870, 36592, 43453, 44080, 45740, 66323, 73184, 86906, 88160, 91480, 132646, 173812, 182960, 217265, 265292, 331615, 347624, 365920, 434530, 530584, 663230, 695248, 869060, 1061168, 1260137, 1326460, 1390496, 1738120, 2122336, 2520274, 2652920, 3476240, 5040548, 5305840, 6300685, 6952480, 10081096, 10611680, 12601370, 20162192, 25202740, 40324384, 50405480, 100810960, 201621920]

約数ペア:

[(1, 201621920), (2, 100810960), (4, 50405480), (5, 40324384), (8, 25202740), (10, 20162192), (16, 12601370), (19, 10611680), (20, 10081096), (29, 6952480), (32, 6300685), (38, 5305840), (40, 5040548), (58, 3476240), (76, 2652920), (80, 2520274), (95, 2122336), (116, 1738120), (145, 1390496), (152, 1326460), (160, 1260137), (190, 1061168), (232, 869060), (290, 695248), (304, 663230), (380, 530584), (464, 434530), (551, 365920), (580, 347624), (608, 331615), (760, 265292), (928, 217265), (1102, 182960), (1160, 173812), (1520, 132646), (2204, 91480), (2287, 88160), (2320, 86906), (2755, 73184), (3040, 66323), (4408, 45740), (4574, 44080), (4640, 43453), (5510, 36592), (8816, 22870), (9148, 22040), (11020, 18296), (11435, 17632)]