74997900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 180

約数和(自身を含む): 249546528

約数和(自身を除く): 174548628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 81, 90, 94, 100, 108, 135, 141, 150, 162, 180, 188, 197, 225, 235, 270, 282, 300, 324, 394, 405, 423, 450, 470, 540, 564, 591, 675, 705, 788, 810, 846, 900, 940, 985, 1175, 1182, 1269, 1350, 1410, 1620, 1692, 1773, 1970, 2025, 2115, 2350, 2364, 2538, 2700, 2820, 2955, 3525, 3546, 3807, 3940, 4050, 4230, 4700, 4925, 5076, 5319, 5910, 6345, 7050, 7092, 7614, 8100, 8460, 8865, 9259, 9850, 10575, 10638, 11820, 12690, 14100, 14775, 15228, 15957, 17730, 18518, 19035, 19700, 21150, 21276, 25380, 26595, 27777, 29550, 31725, 31914, 35460, 37036, 38070, 42300, 44325, 46295, 53190, 55554, 59100, 63450, 63828, 76140, 79785, 83331, 88650, 92590, 95175, 106380, 111108, 126900, 132975, 138885, 159570, 166662, 177300, 185180, 190350, 231475, 249993, 265950, 277770, 319140, 333324, 380700, 398925, 416655, 462950, 499986, 531900, 555540, 694425, 749979, 797850, 833310, 925900, 999972, 1249965, 1388850, 1499958, 1595700, 1666620, 2083275, 2499930, 2777700, 2999916, 3749895, 4166550, 4999860, 6249825, 7499790, 8333100, 12499650, 14999580, 18749475, 24999300, 37498950, 74997900]

約数ペア:

[(1, 74997900), (2, 37498950), (3, 24999300), (4, 18749475), (5, 14999580), (6, 12499650), (9, 8333100), (10, 7499790), (12, 6249825), (15, 4999860), (18, 4166550), (20, 3749895), (25, 2999916), (27, 2777700), (30, 2499930), (36, 2083275), (45, 1666620), (47, 1595700), (50, 1499958), (54, 1388850), (60, 1249965), (75, 999972), (81, 925900), (90, 833310), (94, 797850), (100, 749979), (108, 694425), (135, 555540), (141, 531900), (150, 499986), (162, 462950), (180, 416655), (188, 398925), (197, 380700), (225, 333324), (235, 319140), (270, 277770), (282, 265950), (300, 249993), (324, 231475), (394, 190350), (405, 185180), (423, 177300), (450, 166662), (470, 159570), (540, 138885), (564, 132975), (591, 126900), (675, 111108), (705, 106380), (788, 95175), (810, 92590), (846, 88650), (900, 83331), (940, 79785), (985, 76140), (1175, 63828), (1182, 63450), (1269, 59100), (1350, 55554), (1410, 53190), (1620, 46295), (1692, 44325), (1773, 42300), (1970, 38070), (2025, 37036), (2115, 35460), (2350, 31914), (2364, 31725), (2538, 29550), (2700, 27777), (2820, 26595), (2955, 25380), (3525, 21276), (3546, 21150), (3807, 19700), (3940, 19035), (4050, 18518), (4230, 17730), (4700, 15957), (4925, 15228), (5076, 14775), (5319, 14100), (5910, 12690), (6345, 11820), (7050, 10638), (7092, 10575), (7614, 9850), (8100, 9259), (8460, 8865)]