198009420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{471451}}^1$

素因数の和:471470

約数の個数: 48

約数和(自身を含む): 633631488

約数和(自身を除く): 435622068

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, 471451, 942902, 1414353, 1885804, 2357255, 2828706, 3300157, 4714510, 5657412, 6600314, 7071765, 9429020, 9900471, 13200628, 14143530, 16500785, 19800942, 28287060, 33001570, 39601884, 49502355, 66003140, 99004710, 198009420]

約数ペア:

[(1, 198009420), (2, 99004710), (3, 66003140), (4, 49502355), (5, 39601884), (6, 33001570), (7, 28287060), (10, 19800942), (12, 16500785), (14, 14143530), (15, 13200628), (20, 9900471), (21, 9429020), (28, 7071765), (30, 6600314), (35, 5657412), (42, 4714510), (60, 3300157), (70, 2828706), (84, 2357255), (105, 1885804), (140, 1414353), (210, 942902), (420, 471451)]