289808260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{13709}}^1$

素因数の和:13876

約数の個数: 48

約数和(自身を含む): 700197120

約数和(自身を除く): 410388860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 10570, 13709, 21140, 27418, 54836, 68545, 95963, 137090, 191926, 274180, 383852, 479815, 959630, 1919260, 2070059, 4140118, 8280236, 10350295, 14490413, 20700590, 28980826, 41401180, 57961652, 72452065, 144904130, 289808260]

約数ペア:

[(1, 289808260), (2, 144904130), (4, 72452065), (5, 57961652), (7, 41401180), (10, 28980826), (14, 20700590), (20, 14490413), (28, 10350295), (35, 8280236), (70, 4140118), (140, 2070059), (151, 1919260), (302, 959630), (604, 479815), (755, 383852), (1057, 274180), (1510, 191926), (2114, 137090), (3020, 95963), (4228, 68545), (5285, 54836), (10570, 27418), (13709, 21140)]