2103248890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2215

約数の個数: 64

約数和(自身を含む): 4097952000

約数和(自身を除く): 1994703110

約数列:

[1, 2, 5, 10, 19, 38, 61, 89, 95, 122, 178, 190, 305, 445, 610, 890, 1159, 1691, 2039, 2318, 3382, 4078, 5429, 5795, 8455, 10195, 10858, 11590, 16910, 20390, 27145, 38741, 54290, 77482, 103151, 124379, 181471, 193705, 206302, 248758, 362942, 387410, 515755, 621895, 907355, 1031510, 1243790, 1814710, 2363201, 3447949, 4726402, 6895898, 11069731, 11816005, 17239745, 22139462, 23632010, 34479490, 55348655, 110697310, 210324889, 420649778, 1051624445, 2103248890]

約数ペア:

[(1, 2103248890), (2, 1051624445), (5, 420649778), (10, 210324889), (19, 110697310), (38, 55348655), (61, 34479490), (89, 23632010), (95, 22139462), (122, 17239745), (178, 11816005), (190, 11069731), (305, 6895898), (445, 4726402), (610, 3447949), (890, 2363201), (1159, 1814710), (1691, 1243790), (2039, 1031510), (2318, 907355), (3382, 621895), (4078, 515755), (5429, 387410), (5795, 362942), (8455, 248758), (10195, 206302), (10858, 193705), (11590, 181471), (16910, 124379), (20390, 103151), (27145, 77482), (38741, 54290)]