29918060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 64683360

約数和(自身を除く): 34765300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 179, 244, 274, 305, 358, 548, 610, 685, 716, 895, 1220, 1370, 1790, 2740, 3580, 8357, 10919, 16714, 21838, 24523, 33428, 41785, 43676, 49046, 54595, 83570, 98092, 109190, 122615, 167140, 218380, 245230, 490460, 1495903, 2991806, 5983612, 7479515, 14959030, 29918060]

約数ペア:

[(1, 29918060), (2, 14959030), (4, 7479515), (5, 5983612), (10, 2991806), (20, 1495903), (61, 490460), (122, 245230), (137, 218380), (179, 167140), (244, 122615), (274, 109190), (305, 98092), (358, 83570), (548, 54595), (610, 49046), (685, 43676), (716, 41785), (895, 33428), (1220, 24523), (1370, 21838), (1790, 16714), (2740, 10919), (3580, 8357)]