1444996880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{202949}}^1$

素因数の和:203051

約数の個数: 40

約数和(自身を含む): 3397383000

約数和(自身を除く): 1952386120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 202949, 405898, 811796, 1014745, 1623592, 2029490, 3247184, 4058980, 8117960, 16235920, 18062461, 36124922, 72249844, 90312305, 144499688, 180624610, 288999376, 361249220, 722498440, 1444996880]

約数ペア:

[(1, 1444996880), (2, 722498440), (4, 361249220), (5, 288999376), (8, 180624610), (10, 144499688), (16, 90312305), (20, 72249844), (40, 36124922), (80, 18062461), (89, 16235920), (178, 8117960), (356, 4058980), (445, 3247184), (712, 2029490), (890, 1623592), (1424, 1014745), (1780, 811796), (3560, 405898), (7120, 202949)]