213374720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12823}}^1$

素因数の和:12857

約数の個数: 72

約数和(自身を含む): 550457376

約数和(自身を除く): 337082656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 12823, 16640, 25646, 51292, 64115, 102584, 128230, 166699, 205168, 256460, 333398, 410336, 512920, 666796, 820672, 833495, 1025840, 1333592, 1641344, 1666990, 2051680, 2667184, 3282688, 3333980, 4103360, 5334368, 6667960, 8206720, 10668736, 13335920, 16413440, 21337472, 26671840, 42674944, 53343680, 106687360, 213374720]

約数ペア:

[(1, 213374720), (2, 106687360), (4, 53343680), (5, 42674944), (8, 26671840), (10, 21337472), (13, 16413440), (16, 13335920), (20, 10668736), (26, 8206720), (32, 6667960), (40, 5334368), (52, 4103360), (64, 3333980), (65, 3282688), (80, 2667184), (104, 2051680), (128, 1666990), (130, 1641344), (160, 1333592), (208, 1025840), (256, 833495), (260, 820672), (320, 666796), (416, 512920), (520, 410336), (640, 333398), (832, 256460), (1040, 205168), (1280, 166699), (1664, 128230), (2080, 102584), (3328, 64115), (4160, 51292), (8320, 25646), (12823, 16640)]