1998756870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{318781}}^1$

素因数の和:318821

約数の個数: 64

約数和(自身を含む): 5508552960

約数和(自身を除く): 3509796090

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 190, 209, 285, 330, 418, 570, 627, 1045, 1254, 2090, 3135, 6270, 318781, 637562, 956343, 1593905, 1912686, 3187810, 3506591, 4781715, 6056839, 7013182, 9563430, 10519773, 12113678, 17532955, 18170517, 21039546, 30284195, 35065910, 36341034, 52598865, 60568390, 66625229, 90852585, 105197730, 133250458, 181705170, 199875687, 333126145, 399751374, 666252290, 999378435, 1998756870]

約数ペア:

[(1, 1998756870), (2, 999378435), (3, 666252290), (5, 399751374), (6, 333126145), (10, 199875687), (11, 181705170), (15, 133250458), (19, 105197730), (22, 90852585), (30, 66625229), (33, 60568390), (38, 52598865), (55, 36341034), (57, 35065910), (66, 30284195), (95, 21039546), (110, 18170517), (114, 17532955), (165, 12113678), (190, 10519773), (209, 9563430), (285, 7013182), (330, 6056839), (418, 4781715), (570, 3506591), (627, 3187810), (1045, 1912686), (1254, 1593905), (2090, 956343), (3135, 637562), (6270, 318781)]