2019021880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{4363}}^1$

素因数の和:4900

約数の個数: 64

約数和(自身を含む): 4750824960

約数和(自身を除く): 2731803080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 503, 920, 1006, 2012, 2515, 4024, 4363, 5030, 8726, 10060, 11569, 17452, 20120, 21815, 23138, 34904, 43630, 46276, 57845, 87260, 92552, 100349, 115690, 174520, 200698, 231380, 401396, 462760, 501745, 802792, 1003490, 2006980, 2194589, 4013960, 4389178, 8778356, 10972945, 17556712, 21945890, 43891780, 50475547, 87783560, 100951094, 201902188, 252377735, 403804376, 504755470, 1009510940, 2019021880]

約数ペア:

[(1, 2019021880), (2, 1009510940), (4, 504755470), (5, 403804376), (8, 252377735), (10, 201902188), (20, 100951094), (23, 87783560), (40, 50475547), (46, 43891780), (92, 21945890), (115, 17556712), (184, 10972945), (230, 8778356), (460, 4389178), (503, 4013960), (920, 2194589), (1006, 2006980), (2012, 1003490), (2515, 802792), (4024, 501745), (4363, 462760), (5030, 401396), (8726, 231380), (10060, 200698), (11569, 174520), (17452, 115690), (20120, 100349), (21815, 92552), (23138, 87260), (34904, 57845), (43630, 46276)]