207785830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{7477}}^1$

素因数の和:7888

約数の個数: 32

約数和(自身を含む): 428579136

約数和(自身を除く): 220793306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 7477, 13895, 14954, 27790, 37385, 52339, 74770, 104678, 261695, 523390, 2968369, 5936738, 14841845, 20778583, 29683690, 41557166, 103892915, 207785830]

約数ペア:

[(1, 207785830), (2, 103892915), (5, 41557166), (7, 29683690), (10, 20778583), (14, 14841845), (35, 5936738), (70, 2968369), (397, 523390), (794, 261695), (1985, 104678), (2779, 74770), (3970, 52339), (5558, 37385), (7477, 27790), (13895, 14954)]