123128890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{5519}}^1$

素因数の和:5646

約数の個数: 32

約数和(自身を含む): 233694720

約数和(自身を除く): 110565830

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 970, 2231, 4462, 5519, 11038, 11155, 22310, 27595, 55190, 126937, 253874, 535343, 634685, 1070686, 1269370, 2676715, 5353430, 12312889, 24625778, 61564445, 123128890]

約数ペア:

[(1, 123128890), (2, 61564445), (5, 24625778), (10, 12312889), (23, 5353430), (46, 2676715), (97, 1269370), (115, 1070686), (194, 634685), (230, 535343), (485, 253874), (970, 126937), (2231, 55190), (4462, 27595), (5519, 22310), (11038, 11155)]