212489300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{15287}}^1$

素因数の和:15440

約数の個数: 36

約数和(自身を含む): 464449440

約数和(自身を除く): 251960140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 15287, 30574, 61148, 76435, 152870, 305740, 382175, 764350, 1528700, 2124893, 4249786, 8499572, 10624465, 21248930, 42497860, 53122325, 106244650, 212489300]

約数ペア:

[(1, 212489300), (2, 106244650), (4, 53122325), (5, 42497860), (10, 21248930), (20, 10624465), (25, 8499572), (50, 4249786), (100, 2124893), (139, 1528700), (278, 764350), (556, 382175), (695, 305740), (1390, 152870), (2780, 76435), (3475, 61148), (6950, 30574), (13900, 15287)]