261750440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1709}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 674697600

約数和(自身を除く): 412947160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 547, 1094, 1709, 2188, 2735, 3418, 3829, 4376, 5470, 6836, 7658, 8545, 10940, 11963, 13672, 15316, 17090, 19145, 21880, 23926, 30632, 34180, 38290, 47852, 59815, 68360, 76580, 95704, 119630, 153160, 239260, 478520, 934823, 1869646, 3739292, 4674115, 6543761, 7478584, 9348230, 13087522, 18696460, 26175044, 32718805, 37392920, 52350088, 65437610, 130875220, 261750440]

約数ペア:

[(1, 261750440), (2, 130875220), (4, 65437610), (5, 52350088), (7, 37392920), (8, 32718805), (10, 26175044), (14, 18696460), (20, 13087522), (28, 9348230), (35, 7478584), (40, 6543761), (56, 4674115), (70, 3739292), (140, 1869646), (280, 934823), (547, 478520), (1094, 239260), (1709, 153160), (2188, 119630), (2735, 95704), (3418, 76580), (3829, 68360), (4376, 59815), (5470, 47852), (6836, 38290), (7658, 34180), (8545, 30632), (10940, 23926), (11963, 21880), (13672, 19145), (15316, 17090)]