308898128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1597}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 751392384

約数和(自身を除く): 442494256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 157, 176, 308, 314, 616, 628, 1099, 1232, 1256, 1597, 1727, 2198, 2512, 3194, 3454, 4396, 6388, 6908, 8792, 11179, 12089, 12776, 13816, 17567, 17584, 22358, 24178, 25552, 27632, 35134, 44716, 48356, 70268, 89432, 96712, 122969, 140536, 178864, 193424, 245938, 250729, 281072, 491876, 501458, 983752, 1002916, 1755103, 1967504, 2005832, 2758019, 3510206, 4011664, 5516038, 7020412, 11032076, 14040824, 19306133, 22064152, 28081648, 38612266, 44128304, 77224532, 154449064, 308898128]

約数ペア:

[(1, 308898128), (2, 154449064), (4, 77224532), (7, 44128304), (8, 38612266), (11, 28081648), (14, 22064152), (16, 19306133), (22, 14040824), (28, 11032076), (44, 7020412), (56, 5516038), (77, 4011664), (88, 3510206), (112, 2758019), (154, 2005832), (157, 1967504), (176, 1755103), (308, 1002916), (314, 983752), (616, 501458), (628, 491876), (1099, 281072), (1232, 250729), (1256, 245938), (1597, 193424), (1727, 178864), (2198, 140536), (2512, 122969), (3194, 96712), (3454, 89432), (4396, 70268), (6388, 48356), (6908, 44716), (8792, 35134), (11179, 27632), (12089, 25552), (12776, 24178), (13816, 22358), (17567, 17584)]