31530310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 69166080

約数和(自身を除く): 37635770

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 151, 157, 190, 266, 302, 314, 665, 755, 785, 1057, 1099, 1330, 1510, 1570, 2114, 2198, 2869, 2983, 5285, 5495, 5738, 5966, 10570, 10990, 14345, 14915, 20083, 20881, 23707, 28690, 29830, 40166, 41762, 47414, 100415, 104405, 118535, 165949, 200830, 208810, 237070, 331898, 450433, 829745, 900866, 1659490, 2252165, 3153031, 4504330, 6306062, 15765155, 31530310]

約数ペア:

[(1, 31530310), (2, 15765155), (5, 6306062), (7, 4504330), (10, 3153031), (14, 2252165), (19, 1659490), (35, 900866), (38, 829745), (70, 450433), (95, 331898), (133, 237070), (151, 208810), (157, 200830), (190, 165949), (266, 118535), (302, 104405), (314, 100415), (665, 47414), (755, 41762), (785, 40166), (1057, 29830), (1099, 28690), (1330, 23707), (1510, 20881), (1570, 20083), (2114, 14915), (2198, 14345), (2869, 10990), (2983, 10570), (5285, 5966), (5495, 5738)]