205242100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2903}}^1$

素因数の和:3025

約数の個数: 72

約数和(自身を含む): 514217088

約数和(自身を除く): 308974988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 2020, 2525, 2828, 2903, 3535, 5050, 5806, 7070, 10100, 11612, 14140, 14515, 17675, 20321, 29030, 35350, 40642, 58060, 70700, 72575, 81284, 101605, 145150, 203210, 290300, 293203, 406420, 508025, 586406, 1016050, 1172812, 1466015, 2032100, 2052421, 2932030, 4104842, 5864060, 7330075, 8209684, 10262105, 14660150, 20524210, 29320300, 41048420, 51310525, 102621050, 205242100]

約数ペア:

[(1, 205242100), (2, 102621050), (4, 51310525), (5, 41048420), (7, 29320300), (10, 20524210), (14, 14660150), (20, 10262105), (25, 8209684), (28, 7330075), (35, 5864060), (50, 4104842), (70, 2932030), (100, 2052421), (101, 2032100), (140, 1466015), (175, 1172812), (202, 1016050), (350, 586406), (404, 508025), (505, 406420), (700, 293203), (707, 290300), (1010, 203210), (1414, 145150), (2020, 101605), (2525, 81284), (2828, 72575), (2903, 70700), (3535, 58060), (5050, 40642), (5806, 35350), (7070, 29030), (10100, 20321), (11612, 17675), (14140, 14515)]