27890380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2729}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 67878720

約数和(自身を除く): 39988340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2729, 5110, 5458, 10220, 10916, 13645, 19103, 27290, 38206, 54580, 76412, 95515, 191030, 199217, 382060, 398434, 796868, 996085, 1394519, 1992170, 2789038, 3984340, 5578076, 6972595, 13945190, 27890380]

約数ペア:

[(1, 27890380), (2, 13945190), (4, 6972595), (5, 5578076), (7, 3984340), (10, 2789038), (14, 1992170), (20, 1394519), (28, 996085), (35, 796868), (70, 398434), (73, 382060), (140, 199217), (146, 191030), (292, 95515), (365, 76412), (511, 54580), (730, 38206), (1022, 27290), (1460, 19103), (2044, 13645), (2555, 10916), (2729, 10220), (5110, 5458)]