1895140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4424112

約数和(自身を除く): 2528972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 197, 260, 370, 394, 481, 740, 788, 962, 985, 1924, 1970, 2405, 2561, 3940, 4810, 5122, 7289, 9620, 10244, 12805, 14578, 25610, 29156, 36445, 51220, 72890, 94757, 145780, 189514, 379028, 473785, 947570, 1895140]

約数ペア:

[(1, 1895140), (2, 947570), (4, 473785), (5, 379028), (10, 189514), (13, 145780), (20, 94757), (26, 72890), (37, 51220), (52, 36445), (65, 29156), (74, 25610), (130, 14578), (148, 12805), (185, 10244), (197, 9620), (260, 7289), (370, 5122), (394, 4810), (481, 3940), (740, 2561), (788, 2405), (962, 1970), (985, 1924)]