1278778870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{3457}}^1$

素因数の和:4056

約数の個数: 32

約数和(自身を含む): 2339378496

約数和(自身を除く): 1060599626

約数列:

[1, 2, 5, 10, 71, 142, 355, 521, 710, 1042, 2605, 3457, 5210, 6914, 17285, 34570, 36991, 73982, 184955, 245447, 369910, 490894, 1227235, 1801097, 2454470, 3602194, 9005485, 18010970, 127877887, 255755774, 639389435, 1278778870]

約数ペア:

[(1, 1278778870), (2, 639389435), (5, 255755774), (10, 127877887), (71, 18010970), (142, 9005485), (355, 3602194), (521, 2454470), (710, 1801097), (1042, 1227235), (2605, 490894), (3457, 369910), (5210, 245447), (6914, 184955), (17285, 73982), (34570, 36991)]