71155420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2239}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 100446500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2239, 2270, 3178, 4478, 4540, 6356, 7945, 8956, 11195, 15673, 15890, 22390, 31346, 31780, 44780, 62692, 78365, 156730, 313460, 508253, 1016506, 2033012, 2541265, 3557771, 5082530, 7115542, 10165060, 14231084, 17788855, 35577710, 71155420]

約数ペア:

[(1, 71155420), (2, 35577710), (4, 17788855), (5, 14231084), (7, 10165060), (10, 7115542), (14, 5082530), (20, 3557771), (28, 2541265), (35, 2033012), (70, 1016506), (140, 508253), (227, 313460), (454, 156730), (908, 78365), (1135, 62692), (1589, 44780), (2239, 31780), (2270, 31346), (3178, 22390), (4478, 15890), (4540, 15673), (6356, 11195), (7945, 8956)]