1293497140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1\times {\mathrm{2659}}^1$

素因数の和:4552

約数の個数: 48

約数和(自身を含む): 2927957760

約数和(自身を除く): 1634460620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1871, 2659, 3742, 5318, 7484, 9355, 10636, 13295, 18710, 24323, 26590, 34567, 37420, 48646, 53180, 69134, 97292, 121615, 138268, 172835, 243230, 345670, 486460, 691340, 4974989, 9949978, 19899956, 24874945, 49749890, 64674857, 99499780, 129349714, 258699428, 323374285, 646748570, 1293497140]

約数ペア:

[(1, 1293497140), (2, 646748570), (4, 323374285), (5, 258699428), (10, 129349714), (13, 99499780), (20, 64674857), (26, 49749890), (52, 24874945), (65, 19899956), (130, 9949978), (260, 4974989), (1871, 691340), (2659, 486460), (3742, 345670), (5318, 243230), (7484, 172835), (9355, 138268), (10636, 121615), (13295, 97292), (18710, 69134), (24323, 53180), (26590, 48646), (34567, 37420)]