1218936700840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{127503839}}^1$

素因数の和:127504089

約数の個数: 32

約数和(自身を含む): 2754082944000

約数和(自身を除く): 1535146243160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 127503839, 255007678, 510015356, 637519195, 1020030712, 1275038390, 2550076780, 5100153560, 30473417521, 60946835042, 121893670084, 152367087605, 243787340168, 304734175210, 609468350420, 1218936700840]

約数ペア:

[(1, 1218936700840), (2, 609468350420), (4, 304734175210), (5, 243787340168), (8, 152367087605), (10, 121893670084), (20, 60946835042), (40, 30473417521), (239, 5100153560), (478, 2550076780), (956, 1275038390), (1195, 1020030712), (1912, 637519195), (2390, 510015356), (4780, 255007678), (9560, 127503839)]