253244420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{88547}}^1$

素因数の和:88580

約数の個数: 48

約数和(自身を含む): 624794688

約数和(自身を除く): 371550268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 88547, 177094, 354188, 442735, 885470, 974017, 1151111, 1770940, 1948034, 2302222, 3896068, 4604444, 4870085, 5755555, 9740170, 11511110, 12662221, 19480340, 23022220, 25324442, 50648884, 63311105, 126622210, 253244420]

約数ペア:

[(1, 253244420), (2, 126622210), (4, 63311105), (5, 50648884), (10, 25324442), (11, 23022220), (13, 19480340), (20, 12662221), (22, 11511110), (26, 9740170), (44, 5755555), (52, 4870085), (55, 4604444), (65, 3896068), (110, 2302222), (130, 1948034), (143, 1770940), (220, 1151111), (260, 974017), (286, 885470), (572, 442735), (715, 354188), (1430, 177094), (2860, 88547)]