101811728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 115138672

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 71, 76, 89, 106, 142, 152, 178, 212, 284, 304, 356, 424, 568, 712, 848, 1007, 1136, 1349, 1424, 1691, 2014, 2698, 3382, 3763, 4028, 4717, 5396, 6319, 6764, 7526, 8056, 9434, 10792, 12638, 13528, 15052, 16112, 18868, 21584, 25276, 27056, 30104, 37736, 50552, 60208, 71497, 75472, 89623, 101104, 120061, 142994, 179246, 240122, 285988, 334907, 358492, 480244, 571976, 669814, 716984, 960488, 1143952, 1339628, 1433968, 1920976, 2679256, 5358512, 6363233, 12726466, 25452932, 50905864, 101811728]

約数ペア:

[(1, 101811728), (2, 50905864), (4, 25452932), (8, 12726466), (16, 6363233), (19, 5358512), (38, 2679256), (53, 1920976), (71, 1433968), (76, 1339628), (89, 1143952), (106, 960488), (142, 716984), (152, 669814), (178, 571976), (212, 480244), (284, 358492), (304, 334907), (356, 285988), (424, 240122), (568, 179246), (712, 142994), (848, 120061), (1007, 101104), (1136, 89623), (1349, 75472), (1424, 71497), (1691, 60208), (2014, 50552), (2698, 37736), (3382, 30104), (3763, 27056), (4028, 25276), (4717, 21584), (5396, 18868), (6319, 16112), (6764, 15052), (7526, 13528), (8056, 12638), (9434, 10792)]