394750880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{8537}}^1$

素因数の和:8586

約数の個数: 72

約数和(自身を含む): 990800748

約数和(自身を除く): 596049868

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2890, 4624, 5780, 8537, 9248, 11560, 17074, 23120, 34148, 42685, 46240, 68296, 85370, 136592, 145129, 170740, 273184, 290258, 341480, 580516, 682960, 725645, 1161032, 1365920, 1451290, 2322064, 2467193, 2902580, 4644128, 4934386, 5805160, 9868772, 11610320, 12335965, 19737544, 23220640, 24671930, 39475088, 49343860, 78950176, 98687720, 197375440, 394750880]

約数ペア:

[(1, 394750880), (2, 197375440), (4, 98687720), (5, 78950176), (8, 49343860), (10, 39475088), (16, 24671930), (17, 23220640), (20, 19737544), (32, 12335965), (34, 11610320), (40, 9868772), (68, 5805160), (80, 4934386), (85, 4644128), (136, 2902580), (160, 2467193), (170, 2322064), (272, 1451290), (289, 1365920), (340, 1161032), (544, 725645), (578, 682960), (680, 580516), (1156, 341480), (1360, 290258), (1445, 273184), (2312, 170740), (2720, 145129), (2890, 136592), (4624, 85370), (5780, 68296), (8537, 46240), (9248, 42685), (11560, 34148), (17074, 23120)]