69331000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 176904000

約数和(自身を除く): 107573000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 89, 95, 100, 125, 152, 164, 178, 190, 200, 205, 250, 328, 356, 380, 410, 445, 475, 500, 712, 760, 779, 820, 890, 950, 1000, 1025, 1558, 1640, 1691, 1780, 1900, 2050, 2225, 2375, 3116, 3382, 3560, 3649, 3800, 3895, 4100, 4450, 4750, 5125, 6232, 6764, 7298, 7790, 8200, 8455, 8900, 9500, 10250, 11125, 13528, 14596, 15580, 16910, 17800, 18245, 19000, 19475, 20500, 22250, 29192, 31160, 33820, 36490, 38950, 41000, 42275, 44500, 67640, 69331, 72980, 77900, 84550, 89000, 91225, 97375, 138662, 145960, 155800, 169100, 182450, 194750, 211375, 277324, 338200, 346655, 364900, 389500, 422750, 456125, 554648, 693310, 729800, 779000, 845500, 912250, 1386620, 1691000, 1733275, 1824500, 2773240, 3466550, 3649000, 6933100, 8666375, 13866200, 17332750, 34665500, 69331000]

約数ペア:

[(1, 69331000), (2, 34665500), (4, 17332750), (5, 13866200), (8, 8666375), (10, 6933100), (19, 3649000), (20, 3466550), (25, 2773240), (38, 1824500), (40, 1733275), (41, 1691000), (50, 1386620), (76, 912250), (82, 845500), (89, 779000), (95, 729800), (100, 693310), (125, 554648), (152, 456125), (164, 422750), (178, 389500), (190, 364900), (200, 346655), (205, 338200), (250, 277324), (328, 211375), (356, 194750), (380, 182450), (410, 169100), (445, 155800), (475, 145960), (500, 138662), (712, 97375), (760, 91225), (779, 89000), (820, 84550), (890, 77900), (950, 72980), (1000, 69331), (1025, 67640), (1558, 44500), (1640, 42275), (1691, 41000), (1780, 38950), (1900, 36490), (2050, 33820), (2225, 31160), (2375, 29192), (3116, 22250), (3382, 20500), (3560, 19475), (3649, 19000), (3800, 18245), (3895, 17800), (4100, 16910), (4450, 15580), (4750, 14596), (5125, 13528), (6232, 11125), (6764, 10250), (7298, 9500), (7790, 8900), (8200, 8455)]