201451740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68521}}^1$

素因数の和:68547

約数の個数: 72

約数和(自身を含む): 656166672

約数和(自身を除く): 454714932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68521, 137042, 205563, 274084, 342605, 411126, 479647, 685210, 822252, 959294, 1027815, 1370420, 1438941, 1918588, 2055630, 2398235, 2877882, 3357529, 4111260, 4796470, 5755764, 6715058, 7194705, 9592940, 10072587, 13430116, 14389410, 16787645, 20145174, 28778820, 33575290, 40290348, 50362935, 67150580, 100725870, 201451740]

約数ペア:

[(1, 201451740), (2, 100725870), (3, 67150580), (4, 50362935), (5, 40290348), (6, 33575290), (7, 28778820), (10, 20145174), (12, 16787645), (14, 14389410), (15, 13430116), (20, 10072587), (21, 9592940), (28, 7194705), (30, 6715058), (35, 5755764), (42, 4796470), (49, 4111260), (60, 3357529), (70, 2877882), (84, 2398235), (98, 2055630), (105, 1918588), (140, 1438941), (147, 1370420), (196, 1027815), (210, 959294), (245, 822252), (294, 685210), (420, 479647), (490, 411126), (588, 342605), (735, 274084), (980, 205563), (1470, 137042), (2940, 68521)]