30927260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16993}}^1$

素因数の和:17022

約数の個数: 48

約数和(自身を含む): 79939776

約数和(自身を除く): 49012516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16993, 33986, 67972, 84965, 118951, 169930, 220909, 237902, 339860, 441818, 475804, 594755, 883636, 1104545, 1189510, 1546363, 2209090, 2379020, 3092726, 4418180, 6185452, 7731815, 15463630, 30927260]

約数ペア:

[(1, 30927260), (2, 15463630), (4, 7731815), (5, 6185452), (7, 4418180), (10, 3092726), (13, 2379020), (14, 2209090), (20, 1546363), (26, 1189510), (28, 1104545), (35, 883636), (52, 594755), (65, 475804), (70, 441818), (91, 339860), (130, 237902), (140, 220909), (182, 169930), (260, 118951), (364, 84965), (455, 67972), (910, 33986), (1820, 16993)]