202942720

素因数分解:

$2^8\times 5^1\times {\mathrm{331}}^1\times {\mathrm{479}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 488597760

約数和(自身を除く): 285655040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 331, 479, 640, 662, 958, 1280, 1324, 1655, 1916, 2395, 2648, 3310, 3832, 4790, 5296, 6620, 7664, 9580, 10592, 13240, 15328, 19160, 21184, 26480, 30656, 38320, 42368, 52960, 61312, 76640, 84736, 105920, 122624, 153280, 158549, 211840, 306560, 317098, 423680, 613120, 634196, 792745, 1268392, 1585490, 2536784, 3170980, 5073568, 6341960, 10147136, 12683920, 20294272, 25367840, 40588544, 50735680, 101471360, 202942720]

約数ペア:

[(1, 202942720), (2, 101471360), (4, 50735680), (5, 40588544), (8, 25367840), (10, 20294272), (16, 12683920), (20, 10147136), (32, 6341960), (40, 5073568), (64, 3170980), (80, 2536784), (128, 1585490), (160, 1268392), (256, 792745), (320, 634196), (331, 613120), (479, 423680), (640, 317098), (662, 306560), (958, 211840), (1280, 158549), (1324, 153280), (1655, 122624), (1916, 105920), (2395, 84736), (2648, 76640), (3310, 61312), (3832, 52960), (4790, 42368), (5296, 38320), (6620, 30656), (7664, 26480), (9580, 21184), (10592, 19160), (13240, 15328)]