30857015

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 46046880

約数和(自身を除く): 15189865

約数列:

[1, 5, 7, 29, 35, 43, 49, 101, 145, 203, 215, 245, 301, 505, 707, 1015, 1247, 1421, 1505, 2107, 2929, 3535, 4343, 4949, 6235, 7105, 8729, 10535, 14645, 20503, 21715, 24745, 30401, 43645, 61103, 102515, 125947, 143521, 152005, 212807, 305515, 629735, 717605, 881629, 1064035, 4408145, 6171403, 30857015]

約数ペア:

[(1, 30857015), (5, 6171403), (7, 4408145), (29, 1064035), (35, 881629), (43, 717605), (49, 629735), (101, 305515), (145, 212807), (203, 152005), (215, 143521), (245, 125947), (301, 102515), (505, 61103), (707, 43645), (1015, 30401), (1247, 24745), (1421, 21715), (1505, 20503), (2107, 14645), (2929, 10535), (3535, 8729), (4343, 7105), (4949, 6235)]