291299420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{18229}}^1$

素因数の和:18302

約数の個数: 48

約数和(自身を含む): 661530240

約数和(自身を除く): 370230820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 18229, 36458, 72916, 91145, 182290, 309893, 364580, 619786, 856763, 1239572, 1549465, 1713526, 3098930, 3427052, 4283815, 6197860, 8567630, 14564971, 17135260, 29129942, 58259884, 72824855, 145649710, 291299420]

約数ペア:

[(1, 291299420), (2, 145649710), (4, 72824855), (5, 58259884), (10, 29129942), (17, 17135260), (20, 14564971), (34, 8567630), (47, 6197860), (68, 4283815), (85, 3427052), (94, 3098930), (170, 1713526), (188, 1549465), (235, 1239572), (340, 856763), (470, 619786), (799, 364580), (940, 309893), (1598, 182290), (3196, 91145), (3995, 72916), (7990, 36458), (15980, 18229)]