209404160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23371}}^1$

素因数の和:23399

約数の個数: 72

約数和(自身を含む): 573268416

約数和(自身を除く): 363864256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 23371, 46742, 93484, 116855, 163597, 186968, 233710, 327194, 373936, 467420, 654388, 747872, 817985, 934840, 1308776, 1495744, 1635970, 1869680, 2617552, 2991488, 3271940, 3739360, 5235104, 5982976, 6543880, 7478720, 10470208, 13087760, 14957440, 20940416, 26175520, 29914880, 41880832, 52351040, 104702080, 209404160]

約数ペア:

[(1, 209404160), (2, 104702080), (4, 52351040), (5, 41880832), (7, 29914880), (8, 26175520), (10, 20940416), (14, 14957440), (16, 13087760), (20, 10470208), (28, 7478720), (32, 6543880), (35, 5982976), (40, 5235104), (56, 3739360), (64, 3271940), (70, 2991488), (80, 2617552), (112, 1869680), (128, 1635970), (140, 1495744), (160, 1308776), (224, 934840), (256, 817985), (280, 747872), (320, 654388), (448, 467420), (560, 373936), (640, 327194), (896, 233710), (1120, 186968), (1280, 163597), (1792, 116855), (2240, 93484), (4480, 46742), (8960, 23371)]