291213760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 736640640

約数和(自身を除く): 445426880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 211, 227, 304, 320, 380, 422, 454, 608, 760, 844, 908, 1055, 1135, 1216, 1520, 1688, 1816, 2110, 2270, 3040, 3376, 3632, 4009, 4220, 4313, 4540, 6080, 6752, 7264, 8018, 8440, 8626, 9080, 13504, 14528, 16036, 16880, 17252, 18160, 20045, 21565, 32072, 33760, 34504, 36320, 40090, 43130, 47897, 64144, 67520, 69008, 72640, 80180, 86260, 95794, 128288, 138016, 160360, 172520, 191588, 239485, 256576, 276032, 320720, 345040, 383176, 478970, 641440, 690080, 766352, 910043, 957940, 1282880, 1380160, 1532704, 1820086, 1915880, 3065408, 3640172, 3831760, 4550215, 7280344, 7663520, 9100430, 14560688, 15327040, 18200860, 29121376, 36401720, 58242752, 72803440, 145606880, 291213760]

約数ペア:

[(1, 291213760), (2, 145606880), (4, 72803440), (5, 58242752), (8, 36401720), (10, 29121376), (16, 18200860), (19, 15327040), (20, 14560688), (32, 9100430), (38, 7663520), (40, 7280344), (64, 4550215), (76, 3831760), (80, 3640172), (95, 3065408), (152, 1915880), (160, 1820086), (190, 1532704), (211, 1380160), (227, 1282880), (304, 957940), (320, 910043), (380, 766352), (422, 690080), (454, 641440), (608, 478970), (760, 383176), (844, 345040), (908, 320720), (1055, 276032), (1135, 256576), (1216, 239485), (1520, 191588), (1688, 172520), (1816, 160360), (2110, 138016), (2270, 128288), (3040, 95794), (3376, 86260), (3632, 80180), (4009, 72640), (4220, 69008), (4313, 67520), (4540, 64144), (6080, 47897), (6752, 43130), (7264, 40090), (8018, 36320), (8440, 34504), (8626, 33760), (9080, 32072), (13504, 21565), (14528, 20045), (16036, 18160), (16880, 17252)]