201721740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{305639}}^1$

素因数の和:305662

約数の個数: 48

約数和(自身を含む): 616170240

約数和(自身を除く): 414448500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 305639, 611278, 916917, 1222556, 1528195, 1833834, 3056390, 3362029, 3667668, 4584585, 6112780, 6724058, 9169170, 10086087, 13448116, 16810145, 18338340, 20172174, 33620290, 40344348, 50430435, 67240580, 100860870, 201721740]

約数ペア:

[(1, 201721740), (2, 100860870), (3, 67240580), (4, 50430435), (5, 40344348), (6, 33620290), (10, 20172174), (11, 18338340), (12, 16810145), (15, 13448116), (20, 10086087), (22, 9169170), (30, 6724058), (33, 6112780), (44, 4584585), (55, 3667668), (60, 3362029), (66, 3056390), (110, 1833834), (132, 1528195), (165, 1222556), (220, 916917), (330, 611278), (660, 305639)]