720403970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{503779}}^1$

素因数の和:503810

約数の個数: 32

約数和(自身を含む): 1523430720

約数和(自身を除く): 803026750

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 503779, 1007558, 2518895, 5037790, 5541569, 6549127, 11083138, 13098254, 27707845, 32745635, 55415690, 65491270, 72040397, 144080794, 360201985, 720403970]

約数ペア:

[(1, 720403970), (2, 360201985), (5, 144080794), (10, 72040397), (11, 65491270), (13, 55415690), (22, 32745635), (26, 27707845), (55, 13098254), (65, 11083138), (110, 6549127), (130, 5541569), (143, 5037790), (286, 2518895), (715, 1007558), (1430, 503779)]