57396920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 90865480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 571, 718, 1142, 1436, 1795, 2284, 2513, 2855, 2872, 3590, 3997, 4568, 5026, 5710, 7180, 7994, 10052, 11420, 12565, 14360, 15988, 19985, 20104, 22840, 25130, 31976, 39970, 50260, 79940, 100520, 159880, 204989, 409978, 819956, 1024945, 1434923, 1639912, 2049890, 2869846, 4099780, 5739692, 7174615, 8199560, 11479384, 14349230, 28698460, 57396920]

約数ペア:

[(1, 57396920), (2, 28698460), (4, 14349230), (5, 11479384), (7, 8199560), (8, 7174615), (10, 5739692), (14, 4099780), (20, 2869846), (28, 2049890), (35, 1639912), (40, 1434923), (56, 1024945), (70, 819956), (140, 409978), (280, 204989), (359, 159880), (571, 100520), (718, 79940), (1142, 50260), (1436, 39970), (1795, 31976), (2284, 25130), (2513, 22840), (2855, 20104), (2872, 19985), (3590, 15988), (3997, 14360), (4568, 12565), (5026, 11420), (5710, 10052), (7180, 7994)]