291287200

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 743952384

約数和(自身を除く): 452665184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 61, 80, 94, 100, 122, 127, 160, 188, 200, 235, 244, 254, 305, 376, 400, 470, 488, 508, 610, 635, 752, 800, 940, 976, 1016, 1175, 1220, 1270, 1504, 1525, 1880, 1952, 2032, 2350, 2440, 2540, 2867, 3050, 3175, 3760, 4064, 4700, 4880, 5080, 5734, 5969, 6100, 6350, 7520, 7747, 9400, 9760, 10160, 11468, 11938, 12200, 12700, 14335, 15494, 18800, 20320, 22936, 23876, 24400, 25400, 28670, 29845, 30988, 37600, 38735, 45872, 47752, 48800, 50800, 57340, 59690, 61976, 71675, 77470, 91744, 95504, 101600, 114680, 119380, 123952, 143350, 149225, 154940, 191008, 193675, 229360, 238760, 247904, 286700, 298450, 309880, 364109, 387350, 458720, 477520, 573400, 596900, 619760, 728218, 774700, 955040, 1146800, 1193800, 1239520, 1456436, 1549400, 1820545, 2293600, 2387600, 2912872, 3098800, 3641090, 4775200, 5825744, 6197600, 7282180, 9102725, 11651488, 14564360, 18205450, 29128720, 36410900, 58257440, 72821800, 145643600, 291287200]

約数ペア:

[(1, 291287200), (2, 145643600), (4, 72821800), (5, 58257440), (8, 36410900), (10, 29128720), (16, 18205450), (20, 14564360), (25, 11651488), (32, 9102725), (40, 7282180), (47, 6197600), (50, 5825744), (61, 4775200), (80, 3641090), (94, 3098800), (100, 2912872), (122, 2387600), (127, 2293600), (160, 1820545), (188, 1549400), (200, 1456436), (235, 1239520), (244, 1193800), (254, 1146800), (305, 955040), (376, 774700), (400, 728218), (470, 619760), (488, 596900), (508, 573400), (610, 477520), (635, 458720), (752, 387350), (800, 364109), (940, 309880), (976, 298450), (1016, 286700), (1175, 247904), (1220, 238760), (1270, 229360), (1504, 193675), (1525, 191008), (1880, 154940), (1952, 149225), (2032, 143350), (2350, 123952), (2440, 119380), (2540, 114680), (2867, 101600), (3050, 95504), (3175, 91744), (3760, 77470), (4064, 71675), (4700, 61976), (4880, 59690), (5080, 57340), (5734, 50800), (5969, 48800), (6100, 47752), (6350, 45872), (7520, 38735), (7747, 37600), (9400, 30988), (9760, 29845), (10160, 28670), (11468, 25400), (11938, 24400), (12200, 23876), (12700, 22936), (14335, 20320), (15494, 18800)]