66840100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 154434560

約数和(自身を除く): 87594460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 127, 190, 254, 277, 380, 475, 508, 554, 635, 950, 1108, 1270, 1385, 1900, 2413, 2540, 2770, 3175, 4826, 5263, 5540, 6350, 6925, 9652, 10526, 12065, 12700, 13850, 21052, 24130, 26315, 27700, 35179, 48260, 52630, 60325, 70358, 105260, 120650, 131575, 140716, 175895, 241300, 263150, 351790, 526300, 668401, 703580, 879475, 1336802, 1758950, 2673604, 3342005, 3517900, 6684010, 13368020, 16710025, 33420050, 66840100]

約数ペア:

[(1, 66840100), (2, 33420050), (4, 16710025), (5, 13368020), (10, 6684010), (19, 3517900), (20, 3342005), (25, 2673604), (38, 1758950), (50, 1336802), (76, 879475), (95, 703580), (100, 668401), (127, 526300), (190, 351790), (254, 263150), (277, 241300), (380, 175895), (475, 140716), (508, 131575), (554, 120650), (635, 105260), (950, 70358), (1108, 60325), (1270, 52630), (1385, 48260), (1900, 35179), (2413, 27700), (2540, 26315), (2770, 24130), (3175, 21052), (4826, 13850), (5263, 12700), (5540, 12065), (6350, 10526), (6925, 9652)]