290982400

素因数分解:

$2^9\times 5^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:334

約数の個数: 120

約数和(自身を含む): 730667520

約数和(自身を除く): 439685120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 179, 200, 254, 256, 320, 358, 400, 508, 512, 635, 640, 716, 800, 895, 1016, 1270, 1280, 1432, 1600, 1790, 2032, 2540, 2560, 2864, 3175, 3200, 3580, 4064, 4475, 5080, 5728, 6350, 6400, 7160, 8128, 8950, 10160, 11456, 12700, 12800, 14320, 16256, 17900, 20320, 22733, 22912, 25400, 28640, 32512, 35800, 40640, 45466, 45824, 50800, 57280, 65024, 71600, 81280, 90932, 91648, 101600, 113665, 114560, 143200, 162560, 181864, 203200, 227330, 229120, 286400, 325120, 363728, 406400, 454660, 458240, 568325, 572800, 727456, 812800, 909320, 1136650, 1145600, 1454912, 1625600, 1818640, 2273300, 2291200, 2909824, 3637280, 4546600, 5819648, 7274560, 9093200, 11639296, 14549120, 18186400, 29098240, 36372800, 58196480, 72745600, 145491200, 290982400]

約数ペア:

[(1, 290982400), (2, 145491200), (4, 72745600), (5, 58196480), (8, 36372800), (10, 29098240), (16, 18186400), (20, 14549120), (25, 11639296), (32, 9093200), (40, 7274560), (50, 5819648), (64, 4546600), (80, 3637280), (100, 2909824), (127, 2291200), (128, 2273300), (160, 1818640), (179, 1625600), (200, 1454912), (254, 1145600), (256, 1136650), (320, 909320), (358, 812800), (400, 727456), (508, 572800), (512, 568325), (635, 458240), (640, 454660), (716, 406400), (800, 363728), (895, 325120), (1016, 286400), (1270, 229120), (1280, 227330), (1432, 203200), (1600, 181864), (1790, 162560), (2032, 143200), (2540, 114560), (2560, 113665), (2864, 101600), (3175, 91648), (3200, 90932), (3580, 81280), (4064, 71600), (4475, 65024), (5080, 57280), (5728, 50800), (6350, 45824), (6400, 45466), (7160, 40640), (8128, 35800), (8950, 32512), (10160, 28640), (11456, 25400), (12700, 22912), (12800, 22733), (14320, 20320), (16256, 17900)]