208556480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 112

約数和(自身を含む): 546445440

約数和(自身を除く): 337888960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 179, 220, 320, 331, 352, 358, 440, 662, 704, 716, 880, 895, 1324, 1432, 1655, 1760, 1790, 1969, 2648, 2864, 3310, 3520, 3580, 3641, 3938, 5296, 5728, 6620, 7160, 7282, 7876, 9845, 10592, 11456, 13240, 14320, 14564, 15752, 18205, 19690, 21184, 26480, 28640, 29128, 31504, 36410, 39380, 52960, 57280, 58256, 59249, 63008, 72820, 78760, 105920, 116512, 118498, 126016, 145640, 157520, 233024, 236996, 291280, 296245, 315040, 473992, 582560, 592490, 630080, 651739, 947984, 1165120, 1184980, 1303478, 1895968, 2369960, 2606956, 3258695, 3791936, 4739920, 5213912, 6517390, 9479840, 10427824, 13034780, 18959680, 20855648, 26069560, 41711296, 52139120, 104278240, 208556480]

約数ペア:

[(1, 208556480), (2, 104278240), (4, 52139120), (5, 41711296), (8, 26069560), (10, 20855648), (11, 18959680), (16, 13034780), (20, 10427824), (22, 9479840), (32, 6517390), (40, 5213912), (44, 4739920), (55, 3791936), (64, 3258695), (80, 2606956), (88, 2369960), (110, 1895968), (160, 1303478), (176, 1184980), (179, 1165120), (220, 947984), (320, 651739), (331, 630080), (352, 592490), (358, 582560), (440, 473992), (662, 315040), (704, 296245), (716, 291280), (880, 236996), (895, 233024), (1324, 157520), (1432, 145640), (1655, 126016), (1760, 118498), (1790, 116512), (1969, 105920), (2648, 78760), (2864, 72820), (3310, 63008), (3520, 59249), (3580, 58256), (3641, 57280), (3938, 52960), (5296, 39380), (5728, 36410), (6620, 31504), (7160, 29128), (7282, 28640), (7876, 26480), (9845, 21184), (10592, 19690), (11456, 18205), (13240, 15752), (14320, 14564)]