203478275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 347977728

約数和(自身を除く): 144499453

約数列:

[1, 5, 7, 11, 13, 25, 35, 47, 55, 65, 77, 91, 143, 173, 175, 235, 275, 325, 329, 385, 455, 517, 611, 715, 865, 1001, 1175, 1211, 1645, 1903, 1925, 2249, 2275, 2585, 3055, 3575, 3619, 4277, 4325, 5005, 6055, 6721, 8131, 8225, 9515, 11245, 12925, 13321, 15275, 15743, 18095, 21385, 24739, 25025, 30275, 33605, 40655, 47047, 47575, 56225, 56917, 66605, 78715, 89441, 90475, 105703, 106925, 123695, 168025, 173173, 203275, 235235, 284585, 333025, 393575, 447205, 528515, 618475, 626087, 739921, 865865, 1162733, 1176175, 1422925, 2236025, 2642575, 3130435, 3699605, 4329325, 5813665, 8139131, 15652175, 18498025, 29068325, 40695655, 203478275]

約数ペア:

[(1, 203478275), (5, 40695655), (7, 29068325), (11, 18498025), (13, 15652175), (25, 8139131), (35, 5813665), (47, 4329325), (55, 3699605), (65, 3130435), (77, 2642575), (91, 2236025), (143, 1422925), (173, 1176175), (175, 1162733), (235, 865865), (275, 739921), (325, 626087), (329, 618475), (385, 528515), (455, 447205), (517, 393575), (611, 333025), (715, 284585), (865, 235235), (1001, 203275), (1175, 173173), (1211, 168025), (1645, 123695), (1903, 106925), (1925, 105703), (2249, 90475), (2275, 89441), (2585, 78715), (3055, 66605), (3575, 56917), (3619, 56225), (4277, 47575), (4325, 47047), (5005, 40655), (6055, 33605), (6721, 30275), (8131, 25025), (8225, 24739), (9515, 21385), (11245, 18095), (12925, 15743), (13321, 15275)]