840961825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 1164764736

約数和(自身を除く): 323802911

約数列:

[1, 5, 11, 25, 55, 73, 163, 257, 275, 365, 803, 815, 1285, 1793, 1825, 2827, 4015, 4075, 6425, 8965, 11899, 14135, 18761, 20075, 41891, 44825, 59495, 70675, 93805, 130889, 206371, 209455, 297475, 460801, 469025, 654445, 1031855, 1047275, 2304005, 3058043, 3272225, 5159275, 11520025, 15290215, 33638473, 76451075, 168192365, 840961825]

約数ペア:

[(1, 840961825), (5, 168192365), (11, 76451075), (25, 33638473), (55, 15290215), (73, 11520025), (163, 5159275), (257, 3272225), (275, 3058043), (365, 2304005), (803, 1047275), (815, 1031855), (1285, 654445), (1793, 469025), (1825, 460801), (2827, 297475), (4015, 209455), (4075, 206371), (6425, 130889), (8965, 93805), (11899, 70675), (14135, 59495), (18761, 44825), (20075, 41891)]