490692700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 1087430400

約数和(自身を除く): 596737700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 179, 316, 347, 358, 395, 694, 716, 790, 895, 1388, 1580, 1735, 1790, 1975, 3470, 3580, 3950, 4475, 6940, 7900, 8675, 8950, 14141, 17350, 17900, 27413, 28282, 34700, 54826, 56564, 62113, 70705, 109652, 124226, 137065, 141410, 248452, 274130, 282820, 310565, 353525, 548260, 621130, 685325, 707050, 1242260, 1370650, 1414100, 1552825, 2741300, 3105650, 4906927, 6211300, 9813854, 19627708, 24534635, 49069270, 98138540, 122673175, 245346350, 490692700]

約数ペア:

[(1, 490692700), (2, 245346350), (4, 122673175), (5, 98138540), (10, 49069270), (20, 24534635), (25, 19627708), (50, 9813854), (79, 6211300), (100, 4906927), (158, 3105650), (179, 2741300), (316, 1552825), (347, 1414100), (358, 1370650), (395, 1242260), (694, 707050), (716, 685325), (790, 621130), (895, 548260), (1388, 353525), (1580, 310565), (1735, 282820), (1790, 274130), (1975, 248452), (3470, 141410), (3580, 137065), (3950, 124226), (4475, 109652), (6940, 70705), (7900, 62113), (8675, 56564), (8950, 54826), (14141, 34700), (17350, 28282), (17900, 27413)]