1620158890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2657}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 3453954048

約数和(自身を除く): 1833795158

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 281, 310, 434, 562, 1085, 1405, 1967, 2170, 2657, 2810, 3934, 5314, 8711, 9835, 13285, 17422, 18599, 19670, 26570, 37198, 43555, 60977, 82367, 87110, 92995, 121954, 164734, 185990, 304885, 411835, 576569, 609770, 746617, 823670, 1153138, 1493234, 2882845, 3733085, 5226319, 5765690, 7466170, 10452638, 23145127, 26131595, 46290254, 52263190, 115725635, 162015889, 231451270, 324031778, 810079445, 1620158890]

約数ペア:

[(1, 1620158890), (2, 810079445), (5, 324031778), (7, 231451270), (10, 162015889), (14, 115725635), (31, 52263190), (35, 46290254), (62, 26131595), (70, 23145127), (155, 10452638), (217, 7466170), (281, 5765690), (310, 5226319), (434, 3733085), (562, 2882845), (1085, 1493234), (1405, 1153138), (1967, 823670), (2170, 746617), (2657, 609770), (2810, 576569), (3934, 411835), (5314, 304885), (8711, 185990), (9835, 164734), (13285, 121954), (17422, 92995), (18599, 87110), (19670, 82367), (26570, 60977), (37198, 43555)]