273812980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 672005376

約数和(自身を除く): 398192396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 980, 1031, 1084, 1355, 1897, 2062, 2710, 3794, 4124, 5155, 5420, 7217, 7588, 9485, 10310, 13279, 14434, 18970, 20620, 26558, 28868, 36085, 37940, 50519, 53116, 66395, 72170, 101038, 132790, 144340, 202076, 252595, 265580, 279401, 505190, 558802, 1010380, 1117604, 1397005, 1955807, 2794010, 3911614, 5588020, 7823228, 9779035, 13690649, 19558070, 27381298, 39116140, 54762596, 68453245, 136906490, 273812980]

約数ペア:

[(1, 273812980), (2, 136906490), (4, 68453245), (5, 54762596), (7, 39116140), (10, 27381298), (14, 19558070), (20, 13690649), (28, 9779035), (35, 7823228), (49, 5588020), (70, 3911614), (98, 2794010), (140, 1955807), (196, 1397005), (245, 1117604), (271, 1010380), (490, 558802), (542, 505190), (980, 279401), (1031, 265580), (1084, 252595), (1355, 202076), (1897, 144340), (2062, 132790), (2710, 101038), (3794, 72170), (4124, 66395), (5155, 53116), (5420, 50519), (7217, 37940), (7588, 36085), (9485, 28868), (10310, 26558), (13279, 20620), (14434, 18970)]