1555989860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{7759}}^1$

素因数の和:8076

約数の個数: 48

約数和(自身を含む): 3368709120

約数和(自身を除く): 1812719260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 271, 370, 542, 740, 1084, 1355, 2710, 5420, 7759, 10027, 15518, 20054, 31036, 38795, 40108, 50135, 77590, 100270, 155180, 200540, 287083, 574166, 1148332, 1435415, 2102689, 2870830, 4205378, 5741660, 8410756, 10513445, 21026890, 42053780, 77799493, 155598986, 311197972, 388997465, 777994930, 1555989860]

約数ペア:

[(1, 1555989860), (2, 777994930), (4, 388997465), (5, 311197972), (10, 155598986), (20, 77799493), (37, 42053780), (74, 21026890), (148, 10513445), (185, 8410756), (271, 5741660), (370, 4205378), (542, 2870830), (740, 2102689), (1084, 1435415), (1355, 1148332), (2710, 574166), (5420, 287083), (7759, 200540), (10027, 155180), (15518, 100270), (20054, 77590), (31036, 50135), (38795, 40108)]