30351860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19709}}^1$

素因数の和:19736

約数の個数: 48

約数和(自身を含む): 79470720

約数和(自身を除く): 49118860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19709, 39418, 78836, 98545, 137963, 197090, 216799, 275926, 394180, 433598, 551852, 689815, 867196, 1083995, 1379630, 1517593, 2167990, 2759260, 3035186, 4335980, 6070372, 7587965, 15175930, 30351860]

約数ペア:

[(1, 30351860), (2, 15175930), (4, 7587965), (5, 6070372), (7, 4335980), (10, 3035186), (11, 2759260), (14, 2167990), (20, 1517593), (22, 1379630), (28, 1083995), (35, 867196), (44, 689815), (55, 551852), (70, 433598), (77, 394180), (110, 275926), (140, 216799), (154, 197090), (220, 137963), (308, 98545), (385, 78836), (770, 39418), (1540, 19709)]