165973930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2503}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 315504000

約数和(自身を除く): 149530070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 2503, 3490, 5006, 6631, 12515, 13262, 25030, 33155, 47557, 66310, 95114, 237785, 475570, 873547, 1747094, 4367735, 8735470, 16597393, 33194786, 82986965, 165973930]

約数ペア:

[(1, 165973930), (2, 82986965), (5, 33194786), (10, 16597393), (19, 8735470), (38, 4367735), (95, 1747094), (190, 873547), (349, 475570), (698, 237785), (1745, 95114), (2503, 66310), (3490, 47557), (5006, 33155), (6631, 25030), (12515, 13262)]