90028890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{142903}}^1$

素因数の和:142923

約数の個数: 48

約数和(自身を含む): 267516288

約数和(自身を除く): 177487398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 142903, 285806, 428709, 714515, 857418, 1000321, 1286127, 1429030, 2000642, 2143545, 2572254, 3000963, 4287090, 5001605, 6001926, 6430635, 9002889, 10003210, 12861270, 15004815, 18005778, 30009630, 45014445, 90028890]

約数ペア:

[(1, 90028890), (2, 45014445), (3, 30009630), (5, 18005778), (6, 15004815), (7, 12861270), (9, 10003210), (10, 9002889), (14, 6430635), (15, 6001926), (18, 5001605), (21, 4287090), (30, 3000963), (35, 2572254), (42, 2143545), (45, 2000642), (63, 1429030), (70, 1286127), (90, 1000321), (105, 857418), (126, 714515), (210, 428709), (315, 285806), (630, 142903)]