213979220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117571}}^1$

素因数の和:117600

約数の個数: 48

約数和(自身を含む): 553058688

約数和(自身を除く): 339079468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 117571, 235142, 470284, 587855, 822997, 1175710, 1528423, 1645994, 2351420, 3056846, 3291988, 4114985, 6113692, 7642115, 8229970, 10698961, 15284230, 16459940, 21397922, 30568460, 42795844, 53494805, 106989610, 213979220]

約数ペア:

[(1, 213979220), (2, 106989610), (4, 53494805), (5, 42795844), (7, 30568460), (10, 21397922), (13, 16459940), (14, 15284230), (20, 10698961), (26, 8229970), (28, 7642115), (35, 6113692), (52, 4114985), (65, 3291988), (70, 3056846), (91, 2351420), (130, 1645994), (140, 1528423), (182, 1175710), (260, 822997), (364, 587855), (455, 470284), (910, 235142), (1820, 117571)]