388304216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 807840000

約数和(自身を除く): 419535784

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 109, 152, 184, 218, 436, 437, 872, 874, 1019, 1748, 2038, 2071, 2507, 3496, 4076, 4142, 5014, 8152, 8284, 10028, 16568, 19361, 20056, 23437, 38722, 46874, 47633, 77444, 93748, 95266, 111071, 154888, 187496, 190532, 222142, 381064, 444284, 445303, 888568, 890606, 1781212, 2110349, 2554633, 3562424, 4220698, 5109266, 8441396, 10218532, 16882792, 20437064, 48538027, 97076054, 194152108, 388304216]

約数ペア:

[(1, 388304216), (2, 194152108), (4, 97076054), (8, 48538027), (19, 20437064), (23, 16882792), (38, 10218532), (46, 8441396), (76, 5109266), (92, 4220698), (109, 3562424), (152, 2554633), (184, 2110349), (218, 1781212), (436, 890606), (437, 888568), (872, 445303), (874, 444284), (1019, 381064), (1748, 222142), (2038, 190532), (2071, 187496), (2507, 154888), (3496, 111071), (4076, 95266), (4142, 93748), (5014, 77444), (8152, 47633), (8284, 46874), (10028, 38722), (16568, 23437), (19361, 20056)]