200400640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 537457536

約数和(自身を除く): 337056896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 256, 320, 331, 344, 352, 430, 440, 473, 640, 662, 688, 704, 860, 880, 946, 1280, 1324, 1376, 1408, 1655, 1720, 1760, 1892, 2365, 2648, 2752, 2816, 3310, 3440, 3520, 3641, 3784, 4730, 5296, 5504, 6620, 6880, 7040, 7282, 7568, 9460, 10592, 11008, 13240, 13760, 14080, 14233, 14564, 15136, 18205, 18920, 21184, 26480, 27520, 28466, 29128, 30272, 36410, 37840, 42368, 52960, 55040, 56932, 58256, 60544, 71165, 72820, 75680, 84736, 105920, 113864, 116512, 121088, 142330, 145640, 151360, 156563, 211840, 227728, 233024, 284660, 291280, 302720, 313126, 423680, 455456, 466048, 569320, 582560, 605440, 626252, 782815, 910912, 932096, 1138640, 1165120, 1252504, 1565630, 1821824, 2277280, 2330240, 2505008, 3131260, 3643648, 4554560, 4660480, 5010016, 6262520, 9109120, 10020032, 12525040, 18218240, 20040064, 25050080, 40080128, 50100160, 100200320, 200400640]

約数ペア:

[(1, 200400640), (2, 100200320), (4, 50100160), (5, 40080128), (8, 25050080), (10, 20040064), (11, 18218240), (16, 12525040), (20, 10020032), (22, 9109120), (32, 6262520), (40, 5010016), (43, 4660480), (44, 4554560), (55, 3643648), (64, 3131260), (80, 2505008), (86, 2330240), (88, 2277280), (110, 1821824), (128, 1565630), (160, 1252504), (172, 1165120), (176, 1138640), (215, 932096), (220, 910912), (256, 782815), (320, 626252), (331, 605440), (344, 582560), (352, 569320), (430, 466048), (440, 455456), (473, 423680), (640, 313126), (662, 302720), (688, 291280), (704, 284660), (860, 233024), (880, 227728), (946, 211840), (1280, 156563), (1324, 151360), (1376, 145640), (1408, 142330), (1655, 121088), (1720, 116512), (1760, 113864), (1892, 105920), (2365, 84736), (2648, 75680), (2752, 72820), (2816, 71165), (3310, 60544), (3440, 58256), (3520, 56932), (3641, 55040), (3784, 52960), (4730, 42368), (5296, 37840), (5504, 36410), (6620, 30272), (6880, 29128), (7040, 28466), (7282, 27520), (7568, 26480), (9460, 21184), (10592, 18920), (11008, 18205), (13240, 15136), (13760, 14564), (14080, 14233)]