1812888800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 144

約数和(自身を含む): 4773913200

約数和(自身を除く): 2961024400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 41, 50, 76, 80, 82, 95, 100, 152, 160, 164, 190, 200, 205, 304, 328, 380, 400, 410, 475, 608, 656, 760, 779, 800, 820, 950, 1025, 1312, 1520, 1558, 1640, 1900, 2050, 2909, 3040, 3116, 3280, 3800, 3895, 4100, 5818, 6232, 6560, 7600, 7790, 8200, 11636, 12464, 14545, 15200, 15580, 16400, 19475, 23272, 24928, 29090, 31160, 32800, 38950, 46544, 55271, 58180, 62320, 72725, 77900, 93088, 110542, 116360, 119269, 124640, 145450, 155800, 221084, 232720, 238538, 276355, 290900, 311600, 442168, 465440, 477076, 552710, 581800, 596345, 623200, 884336, 954152, 1105420, 1163600, 1192690, 1381775, 1768672, 1908304, 2210840, 2266111, 2327200, 2385380, 2763550, 2981725, 3816608, 4421680, 4532222, 4770760, 5527100, 5963450, 8843360, 9064444, 9541520, 11054200, 11330555, 11926900, 18128888, 19083040, 22108400, 22661110, 23853800, 36257776, 44216800, 45322220, 47707600, 56652775, 72515552, 90644440, 95415200, 113305550, 181288880, 226611100, 362577760, 453222200, 906444400, 1812888800]

約数ペア:

[(1, 1812888800), (2, 906444400), (4, 453222200), (5, 362577760), (8, 226611100), (10, 181288880), (16, 113305550), (19, 95415200), (20, 90644440), (25, 72515552), (32, 56652775), (38, 47707600), (40, 45322220), (41, 44216800), (50, 36257776), (76, 23853800), (80, 22661110), (82, 22108400), (95, 19083040), (100, 18128888), (152, 11926900), (160, 11330555), (164, 11054200), (190, 9541520), (200, 9064444), (205, 8843360), (304, 5963450), (328, 5527100), (380, 4770760), (400, 4532222), (410, 4421680), (475, 3816608), (608, 2981725), (656, 2763550), (760, 2385380), (779, 2327200), (800, 2266111), (820, 2210840), (950, 1908304), (1025, 1768672), (1312, 1381775), (1520, 1192690), (1558, 1163600), (1640, 1105420), (1900, 954152), (2050, 884336), (2909, 623200), (3040, 596345), (3116, 581800), (3280, 552710), (3800, 477076), (3895, 465440), (4100, 442168), (5818, 311600), (6232, 290900), (6560, 276355), (7600, 238538), (7790, 232720), (8200, 221084), (11636, 155800), (12464, 145450), (14545, 124640), (15200, 119269), (15580, 116360), (16400, 110542), (19475, 93088), (23272, 77900), (24928, 72725), (29090, 62320), (31160, 58180), (32800, 55271), (38950, 46544)]