28005450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1543}}^1$

素因数の和:1580

約数の個数: 72

約数和(自身を含む): 76390944

約数和(自身を除く): 48385494

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 121, 150, 165, 242, 275, 330, 363, 550, 605, 726, 825, 1210, 1543, 1650, 1815, 3025, 3086, 3630, 4629, 6050, 7715, 9075, 9258, 15430, 16973, 18150, 23145, 33946, 38575, 46290, 50919, 77150, 84865, 101838, 115725, 169730, 186703, 231450, 254595, 373406, 424325, 509190, 560109, 848650, 933515, 1120218, 1272975, 1867030, 2545950, 2800545, 4667575, 5601090, 9335150, 14002725, 28005450]

約数ペア:

[(1, 28005450), (2, 14002725), (3, 9335150), (5, 5601090), (6, 4667575), (10, 2800545), (11, 2545950), (15, 1867030), (22, 1272975), (25, 1120218), (30, 933515), (33, 848650), (50, 560109), (55, 509190), (66, 424325), (75, 373406), (110, 254595), (121, 231450), (150, 186703), (165, 169730), (242, 115725), (275, 101838), (330, 84865), (363, 77150), (550, 50919), (605, 46290), (726, 38575), (825, 33946), (1210, 23145), (1543, 18150), (1650, 16973), (1815, 15430), (3025, 9258), (3086, 9075), (3630, 7715), (4629, 6050)]