408184400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{78497}}^1$

素因数の和:78528

約数の個数: 60

約数和(自身を含む): 1056112092

約数和(自身を除く): 647927692

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 78497, 156994, 313988, 392485, 627976, 784970, 1020461, 1255952, 1569940, 1962425, 2040922, 3139880, 3924850, 4081844, 5102305, 6279760, 7849700, 8163688, 10204610, 15699400, 16327376, 20409220, 25511525, 31398800, 40818440, 51023050, 81636880, 102046100, 204092200, 408184400]

約数ペア:

[(1, 408184400), (2, 204092200), (4, 102046100), (5, 81636880), (8, 51023050), (10, 40818440), (13, 31398800), (16, 25511525), (20, 20409220), (25, 16327376), (26, 15699400), (40, 10204610), (50, 8163688), (52, 7849700), (65, 6279760), (80, 5102305), (100, 4081844), (104, 3924850), (130, 3139880), (200, 2040922), (208, 1962425), (260, 1569940), (325, 1255952), (400, 1020461), (520, 784970), (650, 627976), (1040, 392485), (1300, 313988), (2600, 156994), (5200, 78497)]