281639508

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1341

約数の個数: 96

約数和(自身を含む): 739200000

約数和(自身を除く): 457560492

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 43, 46, 57, 69, 76, 86, 92, 114, 129, 138, 172, 228, 258, 276, 437, 516, 817, 874, 989, 1249, 1311, 1634, 1748, 1978, 2451, 2498, 2622, 2967, 3268, 3747, 3956, 4902, 4996, 5244, 5934, 7494, 9804, 11868, 14988, 18791, 23731, 28727, 37582, 47462, 53707, 56373, 57454, 71193, 75164, 86181, 94924, 107414, 112746, 114908, 142386, 161121, 172362, 214828, 225492, 284772, 322242, 344724, 545813, 644484, 1020433, 1091626, 1235261, 1637439, 2040866, 2183252, 2470522, 3061299, 3274878, 3705783, 4081732, 4941044, 6122598, 6549756, 7411566, 12245196, 14823132, 23469959, 46939918, 70409877, 93879836, 140819754, 281639508]

約数ペア:

[(1, 281639508), (2, 140819754), (3, 93879836), (4, 70409877), (6, 46939918), (12, 23469959), (19, 14823132), (23, 12245196), (38, 7411566), (43, 6549756), (46, 6122598), (57, 4941044), (69, 4081732), (76, 3705783), (86, 3274878), (92, 3061299), (114, 2470522), (129, 2183252), (138, 2040866), (172, 1637439), (228, 1235261), (258, 1091626), (276, 1020433), (437, 644484), (516, 545813), (817, 344724), (874, 322242), (989, 284772), (1249, 225492), (1311, 214828), (1634, 172362), (1748, 161121), (1978, 142386), (2451, 114908), (2498, 112746), (2622, 107414), (2967, 94924), (3268, 86181), (3747, 75164), (3956, 71193), (4902, 57454), (4996, 56373), (5244, 53707), (5934, 47462), (7494, 37582), (9804, 28727), (11868, 23731), (14988, 18791)]