30182740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2729}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 73382400

約数和(自身を除く): 43199660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2729, 2765, 5458, 5530, 10916, 11060, 13645, 19103, 27290, 38206, 54580, 76412, 95515, 191030, 215591, 382060, 431182, 862364, 1077955, 1509137, 2155910, 3018274, 4311820, 6036548, 7545685, 15091370, 30182740]

約数ペア:

[(1, 30182740), (2, 15091370), (4, 7545685), (5, 6036548), (7, 4311820), (10, 3018274), (14, 2155910), (20, 1509137), (28, 1077955), (35, 862364), (70, 431182), (79, 382060), (140, 215591), (158, 191030), (316, 95515), (395, 76412), (553, 54580), (790, 38206), (1106, 27290), (1580, 19103), (2212, 13645), (2729, 11060), (2765, 10916), (5458, 5530)]