11917640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 31656960

約数和(自身を除く): 19739320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1373, 1736, 2170, 2746, 4340, 5492, 6865, 8680, 9611, 10984, 13730, 19222, 27460, 38444, 42563, 48055, 54920, 76888, 85126, 96110, 170252, 192220, 212815, 297941, 340504, 384440, 425630, 595882, 851260, 1191764, 1489705, 1702520, 2383528, 2979410, 5958820, 11917640]

約数ペア:

[(1, 11917640), (2, 5958820), (4, 2979410), (5, 2383528), (7, 1702520), (8, 1489705), (10, 1191764), (14, 851260), (20, 595882), (28, 425630), (31, 384440), (35, 340504), (40, 297941), (56, 212815), (62, 192220), (70, 170252), (124, 96110), (140, 85126), (155, 76888), (217, 54920), (248, 48055), (280, 42563), (310, 38444), (434, 27460), (620, 19222), (868, 13730), (1085, 10984), (1240, 9611), (1373, 8680), (1736, 6865), (2170, 5492), (2746, 4340)]