30377060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 75075840

約数和(自身を除く): 44698780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 223, 245, 278, 446, 490, 556, 695, 892, 973, 980, 1115, 1390, 1561, 1946, 2230, 2780, 3122, 3892, 4460, 4865, 6244, 6811, 7805, 9730, 10927, 13622, 15610, 19460, 21854, 27244, 30997, 31220, 34055, 43708, 54635, 61994, 68110, 109270, 123988, 136220, 154985, 216979, 218540, 309970, 433958, 619940, 867916, 1084895, 1518853, 2169790, 3037706, 4339580, 6075412, 7594265, 15188530, 30377060]

約数ペア:

[(1, 30377060), (2, 15188530), (4, 7594265), (5, 6075412), (7, 4339580), (10, 3037706), (14, 2169790), (20, 1518853), (28, 1084895), (35, 867916), (49, 619940), (70, 433958), (98, 309970), (139, 218540), (140, 216979), (196, 154985), (223, 136220), (245, 123988), (278, 109270), (446, 68110), (490, 61994), (556, 54635), (695, 43708), (892, 34055), (973, 31220), (980, 30997), (1115, 27244), (1390, 21854), (1561, 19460), (1946, 15610), (2230, 13622), (2780, 10927), (3122, 9730), (3892, 7805), (4460, 6811), (4865, 6244)]