201775980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480419}}^1$

素因数の和:480438

約数の個数: 48

約数和(自身を含む): 645684480

約数和(自身を除く): 443908500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 480419, 960838, 1441257, 1921676, 2402095, 2882514, 3362933, 4804190, 5765028, 6725866, 7206285, 9608380, 10088799, 13451732, 14412570, 16814665, 20177598, 28825140, 33629330, 40355196, 50443995, 67258660, 100887990, 201775980]

約数ペア:

[(1, 201775980), (2, 100887990), (3, 67258660), (4, 50443995), (5, 40355196), (6, 33629330), (7, 28825140), (10, 20177598), (12, 16814665), (14, 14412570), (15, 13451732), (20, 10088799), (21, 9608380), (28, 7206285), (30, 6725866), (35, 5765028), (42, 4804190), (60, 3362933), (70, 2882514), (84, 2402095), (105, 1921676), (140, 1441257), (210, 960838), (420, 480419)]