72551990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{3853}}^1$

素因数の和:4136

約数の個数: 32

約数和(自身を含む): 149843520

約数和(自身を除く): 77291530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1345, 1883, 2690, 3766, 3853, 7706, 9415, 18830, 19265, 26971, 38530, 53942, 134855, 269710, 1036457, 2072914, 5182285, 7255199, 10364570, 14510398, 36275995, 72551990]

約数ペア:

[(1, 72551990), (2, 36275995), (5, 14510398), (7, 10364570), (10, 7255199), (14, 5182285), (35, 2072914), (70, 1036457), (269, 269710), (538, 134855), (1345, 53942), (1883, 38530), (2690, 26971), (3766, 19265), (3853, 18830), (7706, 9415)]