28217850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9901}}^1$

素因数の和:9935

約数の個数: 48

約数和(自身を含む): 73670880

約数和(自身を除く): 45453030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 9901, 19802, 29703, 49505, 59406, 99010, 148515, 188119, 247525, 297030, 376238, 495050, 564357, 742575, 940595, 1128714, 1485150, 1881190, 2821785, 4702975, 5643570, 9405950, 14108925, 28217850]

約数ペア:

[(1, 28217850), (2, 14108925), (3, 9405950), (5, 5643570), (6, 4702975), (10, 2821785), (15, 1881190), (19, 1485150), (25, 1128714), (30, 940595), (38, 742575), (50, 564357), (57, 495050), (75, 376238), (95, 297030), (114, 247525), (150, 188119), (190, 148515), (285, 99010), (475, 59406), (570, 49505), (950, 29703), (1425, 19802), (2850, 9901)]