2078440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 5765760

約数和(自身を除く): 3687320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 571, 728, 910, 1142, 1820, 2284, 2855, 3640, 3997, 4568, 5710, 7423, 7994, 11420, 14846, 15988, 19985, 22840, 29692, 31976, 37115, 39970, 51961, 59384, 74230, 79940, 103922, 148460, 159880, 207844, 259805, 296920, 415688, 519610, 1039220, 2078440]

約数ペア:

[(1, 2078440), (2, 1039220), (4, 519610), (5, 415688), (7, 296920), (8, 259805), (10, 207844), (13, 159880), (14, 148460), (20, 103922), (26, 79940), (28, 74230), (35, 59384), (40, 51961), (52, 39970), (56, 37115), (65, 31976), (70, 29692), (91, 22840), (104, 19985), (130, 15988), (140, 14846), (182, 11420), (260, 7994), (280, 7423), (364, 5710), (455, 4568), (520, 3997), (571, 3640), (728, 2855), (910, 2284), (1142, 1820)]