1209014780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{5987}}^1$

素因数の和:6458

約数の個数: 48

約数和(自身を含む): 2655797760

約数和(自身を除く): 1446782980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 439, 460, 878, 1756, 2195, 4390, 5987, 8780, 10097, 11974, 20194, 23948, 29935, 40388, 50485, 59870, 100970, 119740, 137701, 201940, 275402, 550804, 688505, 1377010, 2628293, 2754020, 5256586, 10513172, 13141465, 26282930, 52565860, 60450739, 120901478, 241802956, 302253695, 604507390, 1209014780]

約数ペア:

[(1, 1209014780), (2, 604507390), (4, 302253695), (5, 241802956), (10, 120901478), (20, 60450739), (23, 52565860), (46, 26282930), (92, 13141465), (115, 10513172), (230, 5256586), (439, 2754020), (460, 2628293), (878, 1377010), (1756, 688505), (2195, 550804), (4390, 275402), (5987, 201940), (8780, 137701), (10097, 119740), (11974, 100970), (20194, 59870), (23948, 50485), (29935, 40388)]