78252260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4860

約数の個数: 48

約数和(自身を含む): 177038400

約数和(自身を除く): 98786140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 4789, 8170, 9578, 16340, 19156, 23945, 47890, 90991, 95780, 181982, 205927, 363964, 411854, 454955, 823708, 909910, 1029635, 1819820, 2059270, 3912613, 4118540, 7825226, 15650452, 19563065, 39126130, 78252260]

約数ペア:

[(1, 78252260), (2, 39126130), (4, 19563065), (5, 15650452), (10, 7825226), (19, 4118540), (20, 3912613), (38, 2059270), (43, 1819820), (76, 1029635), (86, 909910), (95, 823708), (172, 454955), (190, 411854), (215, 363964), (380, 205927), (430, 181982), (817, 95780), (860, 90991), (1634, 47890), (3268, 23945), (4085, 19156), (4789, 16340), (8170, 9578)]