409042620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{324637}}^1$

素因数の和:324659

約数の個数: 72

約数和(自身を含む): 1418018784

約数和(自身を除く): 1008976164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 324637, 649274, 973911, 1298548, 1623185, 1947822, 2272459, 2921733, 3246370, 3895644, 4544918, 4869555, 5843466, 6492740, 6817377, 9089836, 9739110, 11362295, 11686932, 13634754, 14608665, 19478220, 20452131, 22724590, 27269508, 29217330, 34086885, 40904262, 45449180, 58434660, 68173770, 81808524, 102260655, 136347540, 204521310, 409042620]

約数ペア:

[(1, 409042620), (2, 204521310), (3, 136347540), (4, 102260655), (5, 81808524), (6, 68173770), (7, 58434660), (9, 45449180), (10, 40904262), (12, 34086885), (14, 29217330), (15, 27269508), (18, 22724590), (20, 20452131), (21, 19478220), (28, 14608665), (30, 13634754), (35, 11686932), (36, 11362295), (42, 9739110), (45, 9089836), (60, 6817377), (63, 6492740), (70, 5843466), (84, 4869555), (90, 4544918), (105, 3895644), (126, 3246370), (140, 2921733), (180, 2272459), (210, 1947822), (252, 1623185), (315, 1298548), (420, 973911), (630, 649274), (1260, 324637)]