201820256

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1188

約数の個数: 72

約数和(自身を含む): 446433120

約数和(自身を除く): 244612864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 121, 176, 188, 242, 352, 376, 484, 517, 752, 968, 1034, 1109, 1504, 1936, 2068, 2218, 3872, 4136, 4436, 5687, 8272, 8872, 11374, 12199, 16544, 17744, 22748, 24398, 35488, 45496, 48796, 52123, 90992, 97592, 104246, 134189, 181984, 195184, 208492, 268378, 390368, 416984, 536756, 573353, 833968, 1073512, 1146706, 1667936, 2147024, 2293412, 4294048, 4586824, 6306883, 9173648, 12613766, 18347296, 25227532, 50455064, 100910128, 201820256]

約数ペア:

[(1, 201820256), (2, 100910128), (4, 50455064), (8, 25227532), (11, 18347296), (16, 12613766), (22, 9173648), (32, 6306883), (44, 4586824), (47, 4294048), (88, 2293412), (94, 2147024), (121, 1667936), (176, 1146706), (188, 1073512), (242, 833968), (352, 573353), (376, 536756), (484, 416984), (517, 390368), (752, 268378), (968, 208492), (1034, 195184), (1109, 181984), (1504, 134189), (1936, 104246), (2068, 97592), (2218, 90992), (3872, 52123), (4136, 48796), (4436, 45496), (5687, 35488), (8272, 24398), (8872, 22748), (11374, 17744), (12199, 16544)]