31449187540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1487}}^1\times {\mathrm{1999}}^1$

素因数の和:3541

約数の個数: 72

約数和(自身を含む): 69120576000

約数和(自身を除く): 37671388460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1487, 1999, 2116, 2645, 2974, 3998, 5290, 5948, 7435, 7996, 9995, 10580, 14870, 19990, 29740, 34201, 39980, 45977, 68402, 91954, 136804, 171005, 183908, 229885, 342010, 459770, 684020, 786623, 919540, 1057471, 1573246, 2114942, 2972513, 3146492, 3933115, 4229884, 5287355, 5945026, 7866230, 10574710, 11890052, 14862565, 15732460, 21149420, 29725130, 59450260, 68367799, 136735598, 273471196, 341838995, 683677990, 1367355980, 1572459377, 3144918754, 6289837508, 7862296885, 15724593770, 31449187540]

約数ペア:

[(1, 31449187540), (2, 15724593770), (4, 7862296885), (5, 6289837508), (10, 3144918754), (20, 1572459377), (23, 1367355980), (46, 683677990), (92, 341838995), (115, 273471196), (230, 136735598), (460, 68367799), (529, 59450260), (1058, 29725130), (1487, 21149420), (1999, 15732460), (2116, 14862565), (2645, 11890052), (2974, 10574710), (3998, 7866230), (5290, 5945026), (5948, 5287355), (7435, 4229884), (7996, 3933115), (9995, 3146492), (10580, 2972513), (14870, 2114942), (19990, 1573246), (29740, 1057471), (34201, 919540), (39980, 786623), (45977, 684020), (68402, 459770), (91954, 342010), (136804, 229885), (171005, 183908)]