7499790

素因数分解:

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

素因数の和:263

約数の個数: 80

約数和(自身を含む): 20699712

約数和(自身を除く): 13199922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 197, 235, 270, 282, 394, 405, 423, 470, 591, 705, 810, 846, 985, 1182, 1269, 1410, 1773, 1970, 2115, 2538, 2955, 3546, 3807, 4230, 5319, 5910, 6345, 7614, 8865, 9259, 10638, 12690, 15957, 17730, 18518, 19035, 26595, 27777, 31914, 38070, 46295, 53190, 55554, 79785, 83331, 92590, 138885, 159570, 166662, 249993, 277770, 416655, 499986, 749979, 833310, 1249965, 1499958, 2499930, 3749895, 7499790]

約数ペア:

[(1, 7499790), (2, 3749895), (3, 2499930), (5, 1499958), (6, 1249965), (9, 833310), (10, 749979), (15, 499986), (18, 416655), (27, 277770), (30, 249993), (45, 166662), (47, 159570), (54, 138885), (81, 92590), (90, 83331), (94, 79785), (135, 55554), (141, 53190), (162, 46295), (197, 38070), (235, 31914), (270, 27777), (282, 26595), (394, 19035), (405, 18518), (423, 17730), (470, 15957), (591, 12690), (705, 10638), (810, 9259), (846, 8865), (985, 7614), (1182, 6345), (1269, 5910), (1410, 5319), (1773, 4230), (1970, 3807), (2115, 3546), (2538, 2955)]