440805890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1$

素因数の和:1527

約数の個数: 64

約数和(自身を含む): 958832640

約数和(自身を除く): 518026750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 271, 542, 665, 1223, 1330, 1355, 1897, 2446, 2710, 3794, 5149, 6115, 8561, 9485, 10298, 12230, 17122, 18970, 23237, 25745, 36043, 42805, 46474, 51490, 72086, 85610, 116185, 162659, 180215, 232370, 325318, 331433, 360430, 662866, 813295, 1626590, 1657165, 2320031, 3314330, 4640062, 6297227, 11600155, 12594454, 23200310, 31486135, 44080589, 62972270, 88161178, 220402945, 440805890]

約数ペア:

[(1, 440805890), (2, 220402945), (5, 88161178), (7, 62972270), (10, 44080589), (14, 31486135), (19, 23200310), (35, 12594454), (38, 11600155), (70, 6297227), (95, 4640062), (133, 3314330), (190, 2320031), (266, 1657165), (271, 1626590), (542, 813295), (665, 662866), (1223, 360430), (1330, 331433), (1355, 325318), (1897, 232370), (2446, 180215), (2710, 162659), (3794, 116185), (5149, 85610), (6115, 72086), (8561, 51490), (9485, 46474), (10298, 42805), (12230, 36043), (17122, 25745), (18970, 23237)]