1999892500

素因数分解:

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

素因数の和:707

約数の個数: 120

約数和(自身を含む): 4676253120

約数和(自身を除く): 2676360620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 125, 142, 190, 250, 284, 355, 380, 475, 500, 593, 625, 710, 950, 1186, 1250, 1349, 1420, 1775, 1900, 2372, 2375, 2500, 2698, 2965, 3550, 4750, 5396, 5930, 6745, 7100, 8875, 9500, 11267, 11860, 11875, 13490, 14825, 17750, 22534, 23750, 26980, 29650, 33725, 35500, 42103, 44375, 45068, 47500, 56335, 59300, 67450, 74125, 84206, 88750, 112670, 134900, 148250, 168412, 168625, 177500, 210515, 225340, 281675, 296500, 337250, 370625, 421030, 563350, 674500, 741250, 799957, 842060, 843125, 1052575, 1126700, 1408375, 1482500, 1599914, 1686250, 2105150, 2816750, 3199828, 3372500, 3999785, 4210300, 5262875, 5633500, 7041875, 7999570, 10525750, 14083750, 15999140, 19998925, 21051500, 26314375, 28167500, 39997850, 52628750, 79995700, 99994625, 105257500, 199989250, 399978500, 499973125, 999946250, 1999892500]

約数ペア:

[(1, 1999892500), (2, 999946250), (4, 499973125), (5, 399978500), (10, 199989250), (19, 105257500), (20, 99994625), (25, 79995700), (38, 52628750), (50, 39997850), (71, 28167500), (76, 26314375), (95, 21051500), (100, 19998925), (125, 15999140), (142, 14083750), (190, 10525750), (250, 7999570), (284, 7041875), (355, 5633500), (380, 5262875), (475, 4210300), (500, 3999785), (593, 3372500), (625, 3199828), (710, 2816750), (950, 2105150), (1186, 1686250), (1250, 1599914), (1349, 1482500), (1420, 1408375), (1775, 1126700), (1900, 1052575), (2372, 843125), (2375, 842060), (2500, 799957), (2698, 741250), (2965, 674500), (3550, 563350), (4750, 421030), (5396, 370625), (5930, 337250), (6745, 296500), (7100, 281675), (8875, 225340), (9500, 210515), (11267, 177500), (11860, 168625), (11875, 168412), (13490, 148250), (14825, 134900), (17750, 112670), (22534, 88750), (23750, 84206), (26980, 74125), (29650, 67450), (33725, 59300), (35500, 56335), (42103, 47500), (44375, 45068)]