215870930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{479}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 451630080

約数和(自身を除く): 235759150

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 241, 374, 479, 482, 935, 958, 1205, 1870, 2395, 2410, 2651, 4097, 4790, 5269, 5302, 8143, 8194, 10538, 13255, 16286, 20485, 26345, 26510, 40715, 40970, 45067, 52690, 81430, 89573, 90134, 115439, 179146, 225335, 230878, 447865, 450670, 577195, 895730, 1154390, 1269829, 1962463, 2539658, 3924926, 6349145, 9812315, 12698290, 19624630, 21587093, 43174186, 107935465, 215870930]

約数ペア:

[(1, 215870930), (2, 107935465), (5, 43174186), (10, 21587093), (11, 19624630), (17, 12698290), (22, 9812315), (34, 6349145), (55, 3924926), (85, 2539658), (110, 1962463), (170, 1269829), (187, 1154390), (241, 895730), (374, 577195), (479, 450670), (482, 447865), (935, 230878), (958, 225335), (1205, 179146), (1870, 115439), (2395, 90134), (2410, 89573), (2651, 81430), (4097, 52690), (4790, 45067), (5269, 40970), (5302, 40715), (8143, 26510), (8194, 26345), (10538, 20485), (13255, 16286)]