71303800

素因数分解:

$2^3\times 5^2\times {\mathrm{541}}^1\times {\mathrm{659}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 166339800

約数和(自身を除く): 95036000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 541, 659, 1082, 1318, 2164, 2636, 2705, 3295, 4328, 5272, 5410, 6590, 10820, 13180, 13525, 16475, 21640, 26360, 27050, 32950, 54100, 65900, 108200, 131800, 356519, 713038, 1426076, 1782595, 2852152, 3565190, 7130380, 8912975, 14260760, 17825950, 35651900, 71303800]

約数ペア:

[(1, 71303800), (2, 35651900), (4, 17825950), (5, 14260760), (8, 8912975), (10, 7130380), (20, 3565190), (25, 2852152), (40, 1782595), (50, 1426076), (100, 713038), (200, 356519), (541, 131800), (659, 108200), (1082, 65900), (1318, 54100), (2164, 32950), (2636, 27050), (2705, 26360), (3295, 21640), (4328, 16475), (5272, 13525), (5410, 13180), (6590, 10820)]