280338388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4723}}^1$

素因数の和:4828

約数の個数: 48

約数和(自身を含む): 571415040

約数和(自身を除く): 291076652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 418, 781, 836, 1349, 1562, 2698, 3124, 4723, 5396, 9446, 14839, 18892, 29678, 51953, 59356, 89737, 103906, 179474, 207812, 335333, 358948, 670666, 987107, 1341332, 1974214, 3688663, 3948428, 6371327, 7377326, 12742654, 14754652, 25485308, 70084597, 140169194, 280338388]

約数ペア:

[(1, 280338388), (2, 140169194), (4, 70084597), (11, 25485308), (19, 14754652), (22, 12742654), (38, 7377326), (44, 6371327), (71, 3948428), (76, 3688663), (142, 1974214), (209, 1341332), (284, 987107), (418, 670666), (781, 358948), (836, 335333), (1349, 207812), (1562, 179474), (2698, 103906), (3124, 89737), (4723, 59356), (5396, 51953), (9446, 29678), (14839, 18892)]