3978980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 9065280

約数和(自身を除く): 5086300

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 283, 370, 380, 566, 703, 740, 1132, 1406, 1415, 2812, 2830, 3515, 5377, 5660, 7030, 10471, 10754, 14060, 20942, 21508, 26885, 41884, 52355, 53770, 104710, 107540, 198949, 209420, 397898, 795796, 994745, 1989490, 3978980]

約数ペア:

[(1, 3978980), (2, 1989490), (4, 994745), (5, 795796), (10, 397898), (19, 209420), (20, 198949), (37, 107540), (38, 104710), (74, 53770), (76, 52355), (95, 41884), (148, 26885), (185, 21508), (190, 20942), (283, 14060), (370, 10754), (380, 10471), (566, 7030), (703, 5660), (740, 5377), (1132, 3515), (1406, 2830), (1415, 2812)]