129778460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{877}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 319493664

約数和(自身を除く): 189715204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 877, 980, 1057, 1510, 1754, 2114, 3020, 3508, 4228, 4385, 5285, 6139, 7399, 8770, 10570, 12278, 14798, 17540, 21140, 24556, 29596, 30695, 36995, 42973, 61390, 73990, 85946, 122780, 132427, 147980, 171892, 214865, 264854, 429730, 529708, 662135, 859460, 926989, 1324270, 1853978, 2648540, 3707956, 4634945, 6488923, 9269890, 12977846, 18539780, 25955692, 32444615, 64889230, 129778460]

約数ペア:

[(1, 129778460), (2, 64889230), (4, 32444615), (5, 25955692), (7, 18539780), (10, 12977846), (14, 9269890), (20, 6488923), (28, 4634945), (35, 3707956), (49, 2648540), (70, 1853978), (98, 1324270), (140, 926989), (151, 859460), (196, 662135), (245, 529708), (302, 429730), (490, 264854), (604, 214865), (755, 171892), (877, 147980), (980, 132427), (1057, 122780), (1510, 85946), (1754, 73990), (2114, 61390), (3020, 42973), (3508, 36995), (4228, 30695), (4385, 29596), (5285, 24556), (6139, 21140), (7399, 17540), (8770, 14798), (10570, 12278)]