205145600

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 240

約数和(自身を含む): 584534016

約数和(自身を除く): 379388416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 47, 50, 55, 62, 64, 80, 88, 94, 100, 110, 124, 128, 155, 160, 176, 188, 200, 220, 235, 248, 256, 275, 310, 320, 341, 352, 376, 400, 440, 470, 496, 512, 517, 550, 620, 640, 682, 704, 752, 775, 800, 880, 940, 992, 1034, 1100, 1175, 1240, 1280, 1364, 1408, 1457, 1504, 1550, 1600, 1705, 1760, 1880, 1984, 2068, 2200, 2350, 2480, 2560, 2585, 2728, 2816, 2914, 3008, 3100, 3200, 3410, 3520, 3760, 3968, 4136, 4400, 4700, 4960, 5170, 5456, 5632, 5828, 6016, 6200, 6400, 6820, 7040, 7285, 7520, 7936, 8272, 8525, 8800, 9400, 9920, 10340, 10912, 11656, 12032, 12400, 12800, 12925, 13640, 14080, 14570, 15040, 15872, 16027, 16544, 17050, 17600, 18800, 19840, 20680, 21824, 23312, 24064, 24800, 25850, 27280, 28160, 29140, 30080, 32054, 33088, 34100, 35200, 36425, 37600, 39680, 41360, 43648, 46624, 49600, 51700, 54560, 58280, 60160, 64108, 66176, 68200, 70400, 72850, 75200, 79360, 80135, 82720, 87296, 93248, 99200, 103400, 109120, 116560, 120320, 128216, 132352, 136400, 140800, 145700, 150400, 160270, 165440, 174592, 186496, 198400, 206800, 218240, 233120, 256432, 264704, 272800, 291400, 300800, 320540, 330880, 372992, 396800, 400675, 413600, 436480, 466240, 512864, 545600, 582800, 601600, 641080, 661760, 745984, 801350, 827200, 872960, 932480, 1025728, 1091200, 1165600, 1282160, 1323520, 1602700, 1654400, 1864960, 2051456, 2182400, 2331200, 2564320, 3205400, 3308800, 3729920, 4102912, 4364800, 4662400, 5128640, 6410800, 6617600, 8205824, 9324800, 10257280, 12821600, 18649600, 20514560, 25643200, 41029120, 51286400, 102572800, 205145600]

約数ペア:

[(1, 205145600), (2, 102572800), (4, 51286400), (5, 41029120), (8, 25643200), (10, 20514560), (11, 18649600), (16, 12821600), (20, 10257280), (22, 9324800), (25, 8205824), (31, 6617600), (32, 6410800), (40, 5128640), (44, 4662400), (47, 4364800), (50, 4102912), (55, 3729920), (62, 3308800), (64, 3205400), (80, 2564320), (88, 2331200), (94, 2182400), (100, 2051456), (110, 1864960), (124, 1654400), (128, 1602700), (155, 1323520), (160, 1282160), (176, 1165600), (188, 1091200), (200, 1025728), (220, 932480), (235, 872960), (248, 827200), (256, 801350), (275, 745984), (310, 661760), (320, 641080), (341, 601600), (352, 582800), (376, 545600), (400, 512864), (440, 466240), (470, 436480), (496, 413600), (512, 400675), (517, 396800), (550, 372992), (620, 330880), (640, 320540), (682, 300800), (704, 291400), (752, 272800), (775, 264704), (800, 256432), (880, 233120), (940, 218240), (992, 206800), (1034, 198400), (1100, 186496), (1175, 174592), (1240, 165440), (1280, 160270), (1364, 150400), (1408, 145700), (1457, 140800), (1504, 136400), (1550, 132352), (1600, 128216), (1705, 120320), (1760, 116560), (1880, 109120), (1984, 103400), (2068, 99200), (2200, 93248), (2350, 87296), (2480, 82720), (2560, 80135), (2585, 79360), (2728, 75200), (2816, 72850), (2914, 70400), (3008, 68200), (3100, 66176), (3200, 64108), (3410, 60160), (3520, 58280), (3760, 54560), (3968, 51700), (4136, 49600), (4400, 46624), (4700, 43648), (4960, 41360), (5170, 39680), (5456, 37600), (5632, 36425), (5828, 35200), (6016, 34100), (6200, 33088), (6400, 32054), (6820, 30080), (7040, 29140), (7285, 28160), (7520, 27280), (7936, 25850), (8272, 24800), (8525, 24064), (8800, 23312), (9400, 21824), (9920, 20680), (10340, 19840), (10912, 18800), (11656, 17600), (12032, 17050), (12400, 16544), (12800, 16027), (12925, 15872), (13640, 15040), (14080, 14570)]