31270225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 49068288

約数和(自身を除く): 17798063

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 457, 575, 595, 805, 1955, 2285, 2737, 2975, 3199, 4025, 7769, 9775, 10511, 11425, 13685, 15995, 38845, 52555, 54383, 68425, 73577, 79975, 178687, 194225, 262775, 271915, 367885, 893435, 1250809, 1359575, 1839425, 4467175, 6254045, 31270225]

約数ペア:

[(1, 31270225), (5, 6254045), (7, 4467175), (17, 1839425), (23, 1359575), (25, 1250809), (35, 893435), (85, 367885), (115, 271915), (119, 262775), (161, 194225), (175, 178687), (391, 79975), (425, 73577), (457, 68425), (575, 54383), (595, 52555), (805, 38845), (1955, 15995), (2285, 13685), (2737, 11425), (2975, 10511), (3199, 9775), (4025, 7769)]