2742460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 6935040

約数和(自身を除く): 4192580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1031, 1330, 2062, 2660, 4124, 5155, 7217, 10310, 14434, 19589, 20620, 28868, 36085, 39178, 72170, 78356, 97945, 137123, 144340, 195890, 274246, 391780, 548492, 685615, 1371230, 2742460]

約数ペア:

[(1, 2742460), (2, 1371230), (4, 685615), (5, 548492), (7, 391780), (10, 274246), (14, 195890), (19, 144340), (20, 137123), (28, 97945), (35, 78356), (38, 72170), (70, 39178), (76, 36085), (95, 28868), (133, 20620), (140, 19589), (190, 14434), (266, 10310), (380, 7217), (532, 5155), (665, 4124), (1031, 2660), (1330, 2062)]