129904780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 151629620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 349, 370, 503, 698, 740, 1006, 1396, 1745, 2012, 2515, 3490, 5030, 6980, 10060, 12913, 18611, 25826, 37222, 51652, 64565, 74444, 93055, 129130, 175547, 186110, 258260, 351094, 372220, 702188, 877735, 1755470, 3510940, 6495239, 12990478, 25980956, 32476195, 64952390, 129904780]

約数ペア:

[(1, 129904780), (2, 64952390), (4, 32476195), (5, 25980956), (10, 12990478), (20, 6495239), (37, 3510940), (74, 1755470), (148, 877735), (185, 702188), (349, 372220), (370, 351094), (503, 258260), (698, 186110), (740, 175547), (1006, 129130), (1396, 93055), (1745, 74444), (2012, 64565), (2515, 51652), (3490, 37222), (5030, 25826), (6980, 18611), (10060, 12913)]