28427230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 61508160

約数和(自身を除く): 33080930

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 677, 1105, 1235, 1354, 1615, 2210, 2470, 3230, 3385, 4199, 6770, 8398, 8801, 11509, 12863, 17602, 20995, 23018, 25726, 41990, 44005, 57545, 64315, 88010, 115090, 128630, 149617, 167219, 218671, 299234, 334438, 437342, 748085, 836095, 1093355, 1496170, 1672190, 2186710, 2842723, 5685446, 14213615, 28427230]

約数ペア:

[(1, 28427230), (2, 14213615), (5, 5685446), (10, 2842723), (13, 2186710), (17, 1672190), (19, 1496170), (26, 1093355), (34, 836095), (38, 748085), (65, 437342), (85, 334438), (95, 299234), (130, 218671), (170, 167219), (190, 149617), (221, 128630), (247, 115090), (323, 88010), (442, 64315), (494, 57545), (646, 44005), (677, 41990), (1105, 25726), (1235, 23018), (1354, 20995), (1615, 17602), (2210, 12863), (2470, 11509), (3230, 8801), (3385, 8398), (4199, 6770)]