1290270100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{80141}}^1$

素因数の和:80185

約数の個数: 72

約数和(自身を含む): 3339036288

約数和(自身を除く): 2048766188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8050, 16100, 80141, 160282, 320564, 400705, 560987, 801410, 1121974, 1602820, 1843243, 2003525, 2243948, 2804935, 3686486, 4007050, 5609870, 7372972, 8014100, 9216215, 11219740, 12902701, 14024675, 18432430, 25805402, 28049350, 36864860, 46081075, 51610804, 56098700, 64513505, 92162150, 129027010, 184324300, 258054020, 322567525, 645135050, 1290270100]

約数ペア:

[(1, 1290270100), (2, 645135050), (4, 322567525), (5, 258054020), (7, 184324300), (10, 129027010), (14, 92162150), (20, 64513505), (23, 56098700), (25, 51610804), (28, 46081075), (35, 36864860), (46, 28049350), (50, 25805402), (70, 18432430), (92, 14024675), (100, 12902701), (115, 11219740), (140, 9216215), (161, 8014100), (175, 7372972), (230, 5609870), (322, 4007050), (350, 3686486), (460, 2804935), (575, 2243948), (644, 2003525), (700, 1843243), (805, 1602820), (1150, 1121974), (1610, 801410), (2300, 560987), (3220, 400705), (4025, 320564), (8050, 160282), (16100, 80141)]