28698460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 40490660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 571, 718, 1142, 1436, 1795, 2284, 2513, 2855, 3590, 3997, 5026, 5710, 7180, 7994, 10052, 11420, 12565, 15988, 19985, 25130, 39970, 50260, 79940, 204989, 409978, 819956, 1024945, 1434923, 2049890, 2869846, 4099780, 5739692, 7174615, 14349230, 28698460]

約数ペア:

[(1, 28698460), (2, 14349230), (4, 7174615), (5, 5739692), (7, 4099780), (10, 2869846), (14, 2049890), (20, 1434923), (28, 1024945), (35, 819956), (70, 409978), (140, 204989), (359, 79940), (571, 50260), (718, 39970), (1142, 25130), (1436, 19985), (1795, 15988), (2284, 12565), (2513, 11420), (2855, 10052), (3590, 7994), (3997, 7180), (5026, 5710)]