4809220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 11113200

約数和(自身を除く): 6303980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 349, 530, 689, 698, 1060, 1378, 1396, 1745, 2756, 3445, 3490, 4537, 6890, 6980, 9074, 13780, 18148, 18497, 22685, 36994, 45370, 73988, 90740, 92485, 184970, 240461, 369940, 480922, 961844, 1202305, 2404610, 4809220]

約数ペア:

[(1, 4809220), (2, 2404610), (4, 1202305), (5, 961844), (10, 480922), (13, 369940), (20, 240461), (26, 184970), (52, 92485), (53, 90740), (65, 73988), (106, 45370), (130, 36994), (212, 22685), (260, 18497), (265, 18148), (349, 13780), (530, 9074), (689, 6980), (698, 6890), (1060, 4537), (1378, 3490), (1396, 3445), (1745, 2756)]