1291226260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{3739}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 2804820480

約数和(自身を除く): 1513594220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 557, 620, 1114, 2228, 2785, 3739, 5570, 7478, 11140, 14956, 17267, 18695, 34534, 37390, 69068, 74780, 86335, 115909, 172670, 231818, 345340, 463636, 579545, 1159090, 2082623, 2318180, 4165246, 8330492, 10413115, 20826230, 41652460, 64561313, 129122626, 258245252, 322806565, 645613130, 1291226260]

約数ペア:

[(1, 1291226260), (2, 645613130), (4, 322806565), (5, 258245252), (10, 129122626), (20, 64561313), (31, 41652460), (62, 20826230), (124, 10413115), (155, 8330492), (310, 4165246), (557, 2318180), (620, 2082623), (1114, 1159090), (2228, 579545), (2785, 463636), (3739, 345340), (5570, 231818), (7478, 172670), (11140, 115909), (14956, 86335), (17267, 74780), (18695, 69068), (34534, 37390)]