1338425960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{3527}}^1$

素因数の和:3770

約数の個数: 64

約数和(自身を含む): 3086294400

約数和(自身を除く): 1747868440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 179, 212, 265, 358, 424, 530, 716, 895, 1060, 1432, 1790, 2120, 3527, 3580, 7054, 7160, 9487, 14108, 17635, 18974, 28216, 35270, 37948, 47435, 70540, 75896, 94870, 141080, 186931, 189740, 373862, 379480, 631333, 747724, 934655, 1262666, 1495448, 1869310, 2525332, 3156665, 3738620, 5050664, 6313330, 7477240, 12626660, 25253320, 33460649, 66921298, 133842596, 167303245, 267685192, 334606490, 669212980, 1338425960]

約数ペア:

[(1, 1338425960), (2, 669212980), (4, 334606490), (5, 267685192), (8, 167303245), (10, 133842596), (20, 66921298), (40, 33460649), (53, 25253320), (106, 12626660), (179, 7477240), (212, 6313330), (265, 5050664), (358, 3738620), (424, 3156665), (530, 2525332), (716, 1869310), (895, 1495448), (1060, 1262666), (1432, 934655), (1790, 747724), (2120, 631333), (3527, 379480), (3580, 373862), (7054, 189740), (7160, 186931), (9487, 141080), (14108, 94870), (17635, 75896), (18974, 70540), (28216, 47435), (35270, 37948)]