66707860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 81468140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 503, 698, 1006, 1396, 1745, 2012, 2515, 3490, 5030, 6631, 6980, 9557, 10060, 13262, 19114, 26524, 33155, 38228, 47785, 66310, 95570, 132620, 175547, 191140, 351094, 702188, 877735, 1755470, 3335393, 3510940, 6670786, 13341572, 16676965, 33353930, 66707860]

約数ペア:

[(1, 66707860), (2, 33353930), (4, 16676965), (5, 13341572), (10, 6670786), (19, 3510940), (20, 3335393), (38, 1755470), (76, 877735), (95, 702188), (190, 351094), (349, 191140), (380, 175547), (503, 132620), (698, 95570), (1006, 66310), (1396, 47785), (1745, 38228), (2012, 33155), (2515, 26524), (3490, 19114), (5030, 13262), (6631, 10060), (6980, 9557)]