490639976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 981657600

約数和(自身を除く): 491017624

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 139, 172, 248, 278, 331, 344, 556, 662, 1112, 1324, 1333, 2648, 2666, 4309, 5332, 5977, 8618, 10261, 10664, 11954, 14233, 17236, 20522, 23908, 28466, 34472, 41044, 46009, 47816, 56932, 82088, 92018, 113864, 184036, 185287, 368072, 370574, 441223, 741148, 882446, 1426279, 1482296, 1764892, 1978387, 2852558, 3529784, 3956774, 5705116, 7913548, 11410232, 15827096, 61329997, 122659994, 245319988, 490639976]

約数ペア:

[(1, 490639976), (2, 245319988), (4, 122659994), (8, 61329997), (31, 15827096), (43, 11410232), (62, 7913548), (86, 5705116), (124, 3956774), (139, 3529784), (172, 2852558), (248, 1978387), (278, 1764892), (331, 1482296), (344, 1426279), (556, 882446), (662, 741148), (1112, 441223), (1324, 370574), (1333, 368072), (2648, 185287), (2666, 184036), (4309, 113864), (5332, 92018), (5977, 82088), (8618, 56932), (10261, 47816), (10664, 46009), (11954, 41044), (14233, 34472), (17236, 28466), (20522, 23908)]