307506260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21871}}^1$

素因数の和:21936

約数の個数: 48

約数和(自身を含む): 698154240

約数和(自身を除く): 390647980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 21871, 43742, 87484, 109355, 218710, 415549, 437420, 809227, 831098, 1618454, 1662196, 2077745, 3236908, 4046135, 4155490, 8092270, 8310980, 15375313, 16184540, 30750626, 61501252, 76876565, 153753130, 307506260]

約数ペア:

[(1, 307506260), (2, 153753130), (4, 76876565), (5, 61501252), (10, 30750626), (19, 16184540), (20, 15375313), (37, 8310980), (38, 8092270), (74, 4155490), (76, 4046135), (95, 3236908), (148, 2077745), (185, 1662196), (190, 1618454), (370, 831098), (380, 809227), (703, 437420), (740, 415549), (1406, 218710), (2812, 109355), (3515, 87484), (7030, 43742), (14060, 21871)]