229814780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28513}}^1$

素因数の和:28566

約数の個数: 48

約数和(自身を含む): 536519424

約数和(自身を除く): 306704644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 28513, 57026, 114052, 142565, 285130, 370669, 570260, 741338, 883903, 1482676, 1767806, 1853345, 3535612, 3706690, 4419515, 7413380, 8839030, 11490739, 17678060, 22981478, 45962956, 57453695, 114907390, 229814780]

約数ペア:

[(1, 229814780), (2, 114907390), (4, 57453695), (5, 45962956), (10, 22981478), (13, 17678060), (20, 11490739), (26, 8839030), (31, 7413380), (52, 4419515), (62, 3706690), (65, 3535612), (124, 1853345), (130, 1767806), (155, 1482676), (260, 883903), (310, 741338), (403, 570260), (620, 370669), (806, 285130), (1612, 142565), (2015, 114052), (4030, 57026), (8060, 28513)]