109890280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 260139600

約数和(自身を除く): 150249320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1553, 1769, 2440, 3106, 3538, 6212, 7076, 7765, 8845, 12424, 14152, 15530, 17690, 31060, 35380, 45037, 62120, 70760, 90074, 94733, 180148, 189466, 225185, 360296, 378932, 450370, 473665, 757864, 900740, 947330, 1801480, 1894660, 2747257, 3789320, 5494514, 10989028, 13736285, 21978056, 27472570, 54945140, 109890280]

約数ペア:

[(1, 109890280), (2, 54945140), (4, 27472570), (5, 21978056), (8, 13736285), (10, 10989028), (20, 5494514), (29, 3789320), (40, 2747257), (58, 1894660), (61, 1801480), (116, 947330), (122, 900740), (145, 757864), (232, 473665), (244, 450370), (290, 378932), (305, 360296), (488, 225185), (580, 189466), (610, 180148), (1160, 94733), (1220, 90074), (1553, 70760), (1769, 62120), (2440, 45037), (3106, 35380), (3538, 31060), (6212, 17690), (7076, 15530), (7765, 14152), (8845, 12424)]