381254120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 970583040

約数和(自身を除く): 589328920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 67, 104, 124, 130, 134, 155, 248, 260, 268, 310, 335, 353, 403, 520, 536, 620, 670, 706, 806, 871, 1240, 1340, 1412, 1612, 1742, 1765, 2015, 2077, 2680, 2824, 3224, 3484, 3530, 4030, 4154, 4355, 4589, 6968, 7060, 8060, 8308, 8710, 9178, 10385, 10943, 14120, 16120, 16616, 17420, 18356, 20770, 21886, 22945, 23651, 27001, 34840, 36712, 41540, 43772, 45890, 47302, 54002, 54715, 83080, 87544, 91780, 94604, 108004, 109430, 118255, 135005, 142259, 183560, 189208, 216008, 218860, 236510, 270010, 284518, 307463, 437720, 473020, 540020, 569036, 614926, 711295, 733181, 946040, 1080040, 1138072, 1229852, 1422590, 1466362, 1537315, 2459704, 2845180, 2932724, 3074630, 3665905, 5690360, 5865448, 6149260, 7331810, 9531353, 12298520, 14663620, 19062706, 29327240, 38125412, 47656765, 76250824, 95313530, 190627060, 381254120]

約数ペア:

[(1, 381254120), (2, 190627060), (4, 95313530), (5, 76250824), (8, 47656765), (10, 38125412), (13, 29327240), (20, 19062706), (26, 14663620), (31, 12298520), (40, 9531353), (52, 7331810), (62, 6149260), (65, 5865448), (67, 5690360), (104, 3665905), (124, 3074630), (130, 2932724), (134, 2845180), (155, 2459704), (248, 1537315), (260, 1466362), (268, 1422590), (310, 1229852), (335, 1138072), (353, 1080040), (403, 946040), (520, 733181), (536, 711295), (620, 614926), (670, 569036), (706, 540020), (806, 473020), (871, 437720), (1240, 307463), (1340, 284518), (1412, 270010), (1612, 236510), (1742, 218860), (1765, 216008), (2015, 189208), (2077, 183560), (2680, 142259), (2824, 135005), (3224, 118255), (3484, 109430), (3530, 108004), (4030, 94604), (4154, 91780), (4355, 87544), (4589, 83080), (6968, 54715), (7060, 54002), (8060, 47302), (8308, 45890), (8710, 43772), (9178, 41540), (10385, 36712), (10943, 34840), (14120, 27001), (16120, 23651), (16616, 22945), (17420, 21886), (18356, 20770)]