2104339984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 4410521280

約数和(自身を除く): 2306181296

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 131, 152, 212, 262, 304, 424, 524, 848, 997, 1007, 1048, 1994, 2014, 2096, 2489, 3988, 4028, 4978, 6943, 7976, 8056, 9956, 13886, 15952, 16112, 18943, 19912, 27772, 37886, 39824, 52841, 55544, 75772, 105682, 111088, 130607, 131917, 151544, 211364, 261214, 263834, 303088, 422728, 522428, 527668, 845456, 1003979, 1044856, 1055336, 2007958, 2089712, 2110672, 2481533, 4015916, 4963066, 6922171, 8031832, 9926132, 13844342, 16063664, 19852264, 27688684, 39704528, 55377368, 110754736, 131521249, 263042498, 526084996, 1052169992, 2104339984]

約数ペア:

[(1, 2104339984), (2, 1052169992), (4, 526084996), (8, 263042498), (16, 131521249), (19, 110754736), (38, 55377368), (53, 39704528), (76, 27688684), (106, 19852264), (131, 16063664), (152, 13844342), (212, 9926132), (262, 8031832), (304, 6922171), (424, 4963066), (524, 4015916), (848, 2481533), (997, 2110672), (1007, 2089712), (1048, 2007958), (1994, 1055336), (2014, 1044856), (2096, 1003979), (2489, 845456), (3988, 527668), (4028, 522428), (4978, 422728), (6943, 303088), (7976, 263834), (8056, 261214), (9956, 211364), (13886, 151544), (15952, 131917), (16112, 130607), (18943, 111088), (19912, 105682), (27772, 75772), (37886, 55544), (39824, 52841)]