2005657688

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^2\times {\mathrm{139}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 4075148700

約数和(自身を除く): 2069491012

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 139, 158, 278, 289, 316, 556, 578, 632, 1112, 1156, 1343, 2312, 2363, 2686, 4726, 5372, 6241, 9452, 10744, 10981, 12482, 18904, 21962, 22831, 24964, 40171, 43924, 45662, 49928, 80342, 87848, 91324, 106097, 160684, 182648, 186677, 212194, 321368, 373354, 424388, 746708, 848776, 867499, 1493416, 1734998, 1803649, 3173509, 3469996, 3607298, 6347018, 6939992, 7214596, 12694036, 14429192, 14747483, 25388072, 29494966, 58989932, 117979864, 250707211, 501414422, 1002828844, 2005657688]

約数ペア:

[(1, 2005657688), (2, 1002828844), (4, 501414422), (8, 250707211), (17, 117979864), (34, 58989932), (68, 29494966), (79, 25388072), (136, 14747483), (139, 14429192), (158, 12694036), (278, 7214596), (289, 6939992), (316, 6347018), (556, 3607298), (578, 3469996), (632, 3173509), (1112, 1803649), (1156, 1734998), (1343, 1493416), (2312, 867499), (2363, 848776), (2686, 746708), (4726, 424388), (5372, 373354), (6241, 321368), (9452, 212194), (10744, 186677), (10981, 182648), (12482, 160684), (18904, 106097), (21962, 91324), (22831, 87848), (24964, 80342), (40171, 49928), (43924, 45662)]