207853160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 495331200

約数和(自身を除く): 287478040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1511, 1810, 3022, 3439, 3620, 6044, 6878, 7240, 7555, 12088, 13756, 15110, 17195, 27512, 28709, 30220, 34390, 57418, 60440, 68780, 114836, 137560, 143545, 229672, 273491, 287090, 546982, 574180, 1093964, 1148360, 1367455, 2187928, 2734910, 5196329, 5469820, 10392658, 10939640, 20785316, 25981645, 41570632, 51963290, 103926580, 207853160]

約数ペア:

[(1, 207853160), (2, 103926580), (4, 51963290), (5, 41570632), (8, 25981645), (10, 20785316), (19, 10939640), (20, 10392658), (38, 5469820), (40, 5196329), (76, 2734910), (95, 2187928), (152, 1367455), (181, 1148360), (190, 1093964), (362, 574180), (380, 546982), (724, 287090), (760, 273491), (905, 229672), (1448, 143545), (1511, 137560), (1810, 114836), (3022, 68780), (3439, 60440), (3620, 57418), (6044, 34390), (6878, 30220), (7240, 28709), (7555, 27512), (12088, 17195), (13756, 15110)]