999946250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:705

約数の個数: 80

約数和(自身を含む): 2004108480

約数和(自身を除く): 1004162230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 125, 142, 190, 250, 355, 475, 593, 625, 710, 950, 1186, 1250, 1349, 1775, 2375, 2698, 2965, 3550, 4750, 5930, 6745, 8875, 11267, 11875, 13490, 14825, 17750, 22534, 23750, 29650, 33725, 42103, 44375, 56335, 67450, 74125, 84206, 88750, 112670, 148250, 168625, 210515, 281675, 337250, 370625, 421030, 563350, 741250, 799957, 843125, 1052575, 1408375, 1599914, 1686250, 2105150, 2816750, 3999785, 5262875, 7041875, 7999570, 10525750, 14083750, 19998925, 26314375, 39997850, 52628750, 99994625, 199989250, 499973125, 999946250]

約数ペア:

[(1, 999946250), (2, 499973125), (5, 199989250), (10, 99994625), (19, 52628750), (25, 39997850), (38, 26314375), (50, 19998925), (71, 14083750), (95, 10525750), (125, 7999570), (142, 7041875), (190, 5262875), (250, 3999785), (355, 2816750), (475, 2105150), (593, 1686250), (625, 1599914), (710, 1408375), (950, 1052575), (1186, 843125), (1250, 799957), (1349, 741250), (1775, 563350), (2375, 421030), (2698, 370625), (2965, 337250), (3550, 281675), (4750, 210515), (5930, 168625), (6745, 148250), (8875, 112670), (11267, 88750), (11875, 84206), (13490, 74125), (14825, 67450), (17750, 56335), (22534, 44375), (23750, 42103), (29650, 33725)]