206838560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3581}}^1$

素因数の和:3634

約数の個数: 72

約数和(自身を含む): 515872476

約数和(自身を除く): 309033916

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2888, 3040, 3581, 3610, 5776, 7162, 7220, 11552, 14324, 14440, 17905, 28648, 28880, 35810, 57296, 57760, 68039, 71620, 114592, 136078, 143240, 272156, 286480, 340195, 544312, 572960, 680390, 1088624, 1292741, 1360780, 2177248, 2585482, 2721560, 5170964, 5443120, 6463705, 10341928, 10886240, 12927410, 20683856, 25854820, 41367712, 51709640, 103419280, 206838560]

約数ペア:

[(1, 206838560), (2, 103419280), (4, 51709640), (5, 41367712), (8, 25854820), (10, 20683856), (16, 12927410), (19, 10886240), (20, 10341928), (32, 6463705), (38, 5443120), (40, 5170964), (76, 2721560), (80, 2585482), (95, 2177248), (152, 1360780), (160, 1292741), (190, 1088624), (304, 680390), (361, 572960), (380, 544312), (608, 340195), (722, 286480), (760, 272156), (1444, 143240), (1520, 136078), (1805, 114592), (2888, 71620), (3040, 68039), (3581, 57760), (3610, 57296), (5776, 35810), (7162, 28880), (7220, 28648), (11552, 17905), (14324, 14440)]